./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI --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 32bit --witnessprinter.graph.data.programhash e2cb2ea6991951b6a9c5c1df0de2ac5ff84f75971959d591fa5f258025f94929 --- 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-5e519f3 [2022-11-03 02:16:30,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:16:30,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:16:30,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:16:30,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:16:30,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:16:30,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:16:30,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:16:30,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:16:30,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:16:30,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:16:30,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:16:30,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:16:30,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:16:30,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:16:30,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:16:30,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:16:30,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:16:30,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:16:30,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:16:30,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:16:30,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:16:30,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:16:30,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:16:30,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:16:30,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:16:30,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:16:30,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:16:30,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:16:30,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:16:30,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:16:30,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:16:30,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:16:30,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:16:30,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:16:30,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:16:30,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:16:30,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:16:30,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:16:30,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:16:30,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:16:30,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 02:16:30,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:16:30,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:16:30,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:16:30,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:16:30,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:16:30,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:16:30,792 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:16:30,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:16:30,792 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:16:30,793 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:16:30,794 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:16:30,794 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:16:30,795 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:16:30,795 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:16:30,795 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:16:30,796 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:16:30,796 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:16:30,796 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:16:30,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:16:30,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:16:30,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:16:30,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:16:30,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:16:30,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:16:30,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:16:30,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:16:30,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:16:30,801 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 02:16:30,802 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:16:30,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:16:30,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:16:30,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:16:30,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:16:30,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:16:30,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:16:30,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:16:30,805 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:16:30,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:16:30,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:16:30,805 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:16:30,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:16:30,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:16:30,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:16:30,807 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_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb2ea6991951b6a9c5c1df0de2ac5ff84f75971959d591fa5f258025f94929 [2022-11-03 02:16:31,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:16:31,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:16:31,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:16:31,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:16:31,174 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:16:31,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2022-11-03 02:16:31,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/data/0c6486c04/cca3a76ad3dc4c589e0ef1a103e39c9e/FLAG5d1e9f440 [2022-11-03 02:16:31,736 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:16:31,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2022-11-03 02:16:31,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/data/0c6486c04/cca3a76ad3dc4c589e0ef1a103e39c9e/FLAG5d1e9f440 [2022-11-03 02:16:32,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/data/0c6486c04/cca3a76ad3dc4c589e0ef1a103e39c9e [2022-11-03 02:16:32,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:16:32,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:16:32,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:16:32,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:16:32,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:16:32,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179c32e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32, skipping insertion in model container [2022-11-03 02:16:32,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:16:32,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:16:32,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-11-03 02:16:32,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:16:32,471 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:16:32,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-11-03 02:16:32,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:16:32,514 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:16:32,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32 WrapperNode [2022-11-03 02:16:32,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:16:32,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:16:32,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:16:32,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:16:32,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,582 INFO L138 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 521 [2022-11-03 02:16:32,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:16:32,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:16:32,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:16:32,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:16:32,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:16:32,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:16:32,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:16:32,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:16:32,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (1/1) ... [2022-11-03 02:16:32,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:16:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:16:32,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:16:32,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:16:32,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:16:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 02:16:32,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 02:16:32,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 02:16:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 02:16:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 02:16:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 02:16:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:16:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:16:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:16:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:16:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:16:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:16:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:16:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:16:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:16:32,760 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:16:32,894 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:16:32,897 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:16:34,032 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:16:39,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:16:39,545 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:16:39,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:39 BoogieIcfgContainer [2022-11-03 02:16:39,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:16:39,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:16:39,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:16:39,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:16:39,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:16:32" (1/3) ... [2022-11-03 02:16:39,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1808db4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:16:39, skipping insertion in model container [2022-11-03 02:16:39,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:32" (2/3) ... [2022-11-03 02:16:39,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1808db4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:16:39, skipping insertion in model container [2022-11-03 02:16:39,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:39" (3/3) ... [2022-11-03 02:16:39,560 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2022-11-03 02:16:39,571 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:16:39,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:16:39,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-11-03 02:16:39,585 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:16:41,373 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-03 02:16:41,416 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:16:41,433 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 204 transitions, 432 flow [2022-11-03 02:16:41,437 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 204 transitions, 432 flow [2022-11-03 02:16:41,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 204 transitions, 432 flow [2022-11-03 02:16:41,910 INFO L130 PetriNetUnfolder]: 2/201 cut-off events. [2022-11-03 02:16:41,911 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-03 02:16:41,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 201 events. 2/201 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 545 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-11-03 02:16:41,923 INFO L118 LiptonReduction]: Number of co-enabled transitions 6318 [2022-11-03 02:16:54,622 WARN L234 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 699 DAG size of output: 468 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:05,935 WARN L234 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 648 DAG size of output: 374 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:22,259 WARN L234 SmtUtils]: Spent 14.24s on a formula simplification. DAG size of input: 1323 DAG size of output: 682 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:46,986 WARN L234 SmtUtils]: Spent 21.51s on a formula simplification. DAG size of input: 1524 DAG size of output: 813 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:17:52,269 WARN L234 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 800 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:10,018 INFO L133 LiptonReduction]: Checked pairs total: 4380 [2022-11-03 02:18:10,018 INFO L135 LiptonReduction]: Total number of compositions: 124 [2022-11-03 02:18:10,028 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 91 transitions, 206 flow [2022-11-03 02:18:11,387 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37956 states, 22332 states have (on average 5.6899964176965785) internal successors, (127069), 37955 states have internal predecessors, (127069), 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) [2022-11-03 02:18:11,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:18:11,432 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;@3520fbdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:18:11,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2022-11-03 02:18:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 37956 states, 22332 states have (on average 5.6899964176965785) internal successors, (127069), 37955 states have internal predecessors, (127069), 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) [2022-11-03 02:18:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:11,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:11,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:11,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:11,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2640098, now seen corresponding path program 1 times [2022-11-03 02:18:11,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:11,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106273322] [2022-11-03 02:18:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:11,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:12,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:12,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106273322] [2022-11-03 02:18:12,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106273322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:12,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:12,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:12,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606744198] [2022-11-03 02:18:12,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:12,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:12,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:12,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:12,476 INFO L87 Difference]: Start difference. First operand has 37956 states, 22332 states have (on average 5.6899964176965785) internal successors, (127069), 37955 states have internal predecessors, (127069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:13,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:13,380 INFO L93 Difference]: Finished difference Result 11692 states and 38261 transitions. [2022-11-03 02:18:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:13,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:13,549 INFO L225 Difference]: With dead ends: 11692 [2022-11-03 02:18:13,549 INFO L226 Difference]: Without dead ends: 11692 [2022-11-03 02:18:13,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:13,557 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 58 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:13,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:18:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11692 states. [2022-11-03 02:18:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11692 to 11692. [2022-11-03 02:18:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11692 states, 7341 states have (on average 5.211960223402806) internal successors, (38261), 11691 states have internal predecessors, (38261), 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) [2022-11-03 02:18:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11692 states to 11692 states and 38261 transitions. [2022-11-03 02:18:14,214 INFO L78 Accepts]: Start accepts. Automaton has 11692 states and 38261 transitions. Word has length 3 [2022-11-03 02:18:14,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:14,215 INFO L495 AbstractCegarLoop]: Abstraction has 11692 states and 38261 transitions. [2022-11-03 02:18:14,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 11692 states and 38261 transitions. [2022-11-03 02:18:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:14,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:14,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:14,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:18:14,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:14,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:14,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2640101, now seen corresponding path program 1 times [2022-11-03 02:18:14,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:14,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881247166] [2022-11-03 02:18:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:14,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:14,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:14,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881247166] [2022-11-03 02:18:14,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881247166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:14,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:14,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:14,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224155036] [2022-11-03 02:18:14,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:14,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:14,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:14,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:14,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:14,532 INFO L87 Difference]: Start difference. First operand 11692 states and 38261 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:15,270 INFO L93 Difference]: Finished difference Result 10428 states and 34021 transitions. [2022-11-03 02:18:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:15,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:15,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:15,359 INFO L225 Difference]: With dead ends: 10428 [2022-11-03 02:18:15,359 INFO L226 Difference]: Without dead ends: 10428 [2022-11-03 02:18:15,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:15,363 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 56 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:15,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 0 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:18:15,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10428 states. [2022-11-03 02:18:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10428 to 10428. [2022-11-03 02:18:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10428 states, 6604 states have (on average 5.1515748031496065) internal successors, (34021), 10427 states have internal predecessors, (34021), 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) [2022-11-03 02:18:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10428 states to 10428 states and 34021 transitions. [2022-11-03 02:18:15,778 INFO L78 Accepts]: Start accepts. Automaton has 10428 states and 34021 transitions. Word has length 3 [2022-11-03 02:18:15,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:15,779 INFO L495 AbstractCegarLoop]: Abstraction has 10428 states and 34021 transitions. [2022-11-03 02:18:15,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 10428 states and 34021 transitions. [2022-11-03 02:18:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:15,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:15,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:15,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:18:15,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:15,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2640102, now seen corresponding path program 1 times [2022-11-03 02:18:15,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:15,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599580841] [2022-11-03 02:18:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:16,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:16,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599580841] [2022-11-03 02:18:16,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599580841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:16,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:16,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:16,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660904981] [2022-11-03 02:18:16,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:16,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:16,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:16,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:16,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:16,322 INFO L87 Difference]: Start difference. First operand 10428 states and 34021 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:16,744 INFO L93 Difference]: Finished difference Result 9272 states and 30163 transitions. [2022-11-03 02:18:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:16,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:16,810 INFO L225 Difference]: With dead ends: 9272 [2022-11-03 02:18:16,810 INFO L226 Difference]: Without dead ends: 9272 [2022-11-03 02:18:16,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:16,812 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:16,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:18:16,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9272 states. [2022-11-03 02:18:17,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9272 to 9272. [2022-11-03 02:18:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9272 states, 5913 states have (on average 5.101133096566887) internal successors, (30163), 9271 states have internal predecessors, (30163), 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) [2022-11-03 02:18:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9272 states to 9272 states and 30163 transitions. [2022-11-03 02:18:17,160 INFO L78 Accepts]: Start accepts. Automaton has 9272 states and 30163 transitions. Word has length 3 [2022-11-03 02:18:17,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:17,160 INFO L495 AbstractCegarLoop]: Abstraction has 9272 states and 30163 transitions. [2022-11-03 02:18:17,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 9272 states and 30163 transitions. [2022-11-03 02:18:17,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:17,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:17,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:17,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:18:17,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:17,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:17,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2640103, now seen corresponding path program 1 times [2022-11-03 02:18:17,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:17,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706779128] [2022-11-03 02:18:17,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:17,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:17,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:17,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706779128] [2022-11-03 02:18:17,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706779128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:17,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:17,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443387149] [2022-11-03 02:18:17,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:17,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:17,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:17,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:17,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:17,872 INFO L87 Difference]: Start difference. First operand 9272 states and 30163 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:18,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:18,255 INFO L93 Difference]: Finished difference Result 8184 states and 26537 transitions. [2022-11-03 02:18:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:18,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:18,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:18,306 INFO L225 Difference]: With dead ends: 8184 [2022-11-03 02:18:18,306 INFO L226 Difference]: Without dead ends: 8184 [2022-11-03 02:18:18,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:18,308 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:18,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:18:18,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8184 states. [2022-11-03 02:18:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8184 to 8184. [2022-11-03 02:18:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8184 states, 5260 states have (on average 5.045057034220532) internal successors, (26537), 8183 states have internal predecessors, (26537), 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) [2022-11-03 02:18:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8184 states to 8184 states and 26537 transitions. [2022-11-03 02:18:18,590 INFO L78 Accepts]: Start accepts. Automaton has 8184 states and 26537 transitions. Word has length 3 [2022-11-03 02:18:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:18,591 INFO L495 AbstractCegarLoop]: Abstraction has 8184 states and 26537 transitions. [2022-11-03 02:18:18,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 8184 states and 26537 transitions. [2022-11-03 02:18:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:18,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:18,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:18,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:18:18,598 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:18,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:18,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2640104, now seen corresponding path program 1 times [2022-11-03 02:18:18,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:18,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819663683] [2022-11-03 02:18:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:18,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:18,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819663683] [2022-11-03 02:18:18,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819663683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:18,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:18,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:18,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924589074] [2022-11-03 02:18:18,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:18,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:18,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:18,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:18,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:18,760 INFO L87 Difference]: Start difference. First operand 8184 states and 26537 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:19,118 INFO L93 Difference]: Finished difference Result 7188 states and 23215 transitions. [2022-11-03 02:18:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:19,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:19,163 INFO L225 Difference]: With dead ends: 7188 [2022-11-03 02:18:19,163 INFO L226 Difference]: Without dead ends: 7188 [2022-11-03 02:18:19,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:19,164 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:19,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:18:19,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7188 states. [2022-11-03 02:18:19,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7188 to 7188. [2022-11-03 02:18:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7188 states, 4669 states have (on average 4.97215677875348) internal successors, (23215), 7187 states have internal predecessors, (23215), 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) [2022-11-03 02:18:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7188 states to 7188 states and 23215 transitions. [2022-11-03 02:18:19,413 INFO L78 Accepts]: Start accepts. Automaton has 7188 states and 23215 transitions. Word has length 3 [2022-11-03 02:18:19,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:19,413 INFO L495 AbstractCegarLoop]: Abstraction has 7188 states and 23215 transitions. [2022-11-03 02:18:19,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 7188 states and 23215 transitions. [2022-11-03 02:18:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:19,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:19,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:19,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:18:19,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:19,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:19,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2640107, now seen corresponding path program 1 times [2022-11-03 02:18:19,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:19,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403056105] [2022-11-03 02:18:19,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:19,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:19,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:19,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403056105] [2022-11-03 02:18:19,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403056105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:19,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:19,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:19,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058892974] [2022-11-03 02:18:19,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:19,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:19,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:19,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:19,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:19,552 INFO L87 Difference]: Start difference. First operand 7188 states and 23215 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:19,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:19,875 INFO L93 Difference]: Finished difference Result 6256 states and 20113 transitions. [2022-11-03 02:18:19,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:19,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:19,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:19,915 INFO L225 Difference]: With dead ends: 6256 [2022-11-03 02:18:19,915 INFO L226 Difference]: Without dead ends: 6256 [2022-11-03 02:18:19,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:19,916 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:19,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:18:19,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6256 states. [2022-11-03 02:18:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6256 to 6256. [2022-11-03 02:18:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 4112 states have (on average 4.891293774319066) internal successors, (20113), 6255 states have internal predecessors, (20113), 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) [2022-11-03 02:18:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 20113 transitions. [2022-11-03 02:18:20,179 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 20113 transitions. Word has length 3 [2022-11-03 02:18:20,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:20,180 INFO L495 AbstractCegarLoop]: Abstraction has 6256 states and 20113 transitions. [2022-11-03 02:18:20,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 20113 transitions. [2022-11-03 02:18:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:20,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:20,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:20,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:18:20,181 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:20,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2640086, now seen corresponding path program 1 times [2022-11-03 02:18:20,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:20,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107667687] [2022-11-03 02:18:20,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:20,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:20,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:20,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107667687] [2022-11-03 02:18:20,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107667687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:20,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:20,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:20,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317397795] [2022-11-03 02:18:20,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:20,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:20,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:20,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:20,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:20,282 INFO L87 Difference]: Start difference. First operand 6256 states and 20113 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:20,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:20,589 INFO L93 Difference]: Finished difference Result 5388 states and 17231 transitions. [2022-11-03 02:18:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:20,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:20,630 INFO L225 Difference]: With dead ends: 5388 [2022-11-03 02:18:20,630 INFO L226 Difference]: Without dead ends: 5388 [2022-11-03 02:18:20,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:20,631 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:20,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:18:20,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2022-11-03 02:18:20,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2022-11-03 02:18:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5388 states, 3589 states have (on average 4.801058790749512) internal successors, (17231), 5387 states have internal predecessors, (17231), 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) [2022-11-03 02:18:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 17231 transitions. [2022-11-03 02:18:20,808 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 17231 transitions. Word has length 3 [2022-11-03 02:18:20,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:20,809 INFO L495 AbstractCegarLoop]: Abstraction has 5388 states and 17231 transitions. [2022-11-03 02:18:20,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 17231 transitions. [2022-11-03 02:18:20,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:20,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:20,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:20,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:18:20,810 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:20,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2640089, now seen corresponding path program 1 times [2022-11-03 02:18:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:20,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192041504] [2022-11-03 02:18:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:20,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:20,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192041504] [2022-11-03 02:18:20,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192041504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:20,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:20,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:20,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998594366] [2022-11-03 02:18:20,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:20,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:20,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:20,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:20,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:20,933 INFO L87 Difference]: Start difference. First operand 5388 states and 17231 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:21,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:21,213 INFO L93 Difference]: Finished difference Result 4584 states and 14569 transitions. [2022-11-03 02:18:21,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:21,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:21,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:21,239 INFO L225 Difference]: With dead ends: 4584 [2022-11-03 02:18:21,239 INFO L226 Difference]: Without dead ends: 4584 [2022-11-03 02:18:21,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:21,240 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:21,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:21,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2022-11-03 02:18:21,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4584. [2022-11-03 02:18:21,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 3100 states have (on average 4.699677419354838) internal successors, (14569), 4583 states have internal predecessors, (14569), 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) [2022-11-03 02:18:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 14569 transitions. [2022-11-03 02:18:21,385 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 14569 transitions. Word has length 3 [2022-11-03 02:18:21,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:21,385 INFO L495 AbstractCegarLoop]: Abstraction has 4584 states and 14569 transitions. [2022-11-03 02:18:21,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 14569 transitions. [2022-11-03 02:18:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:21,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:21,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:21,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:18:21,387 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:21,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2640090, now seen corresponding path program 1 times [2022-11-03 02:18:21,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:21,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129633722] [2022-11-03 02:18:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:21,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:21,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129633722] [2022-11-03 02:18:21,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129633722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:21,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:21,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:21,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780706547] [2022-11-03 02:18:21,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:21,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:21,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:21,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:21,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:21,599 INFO L87 Difference]: Start difference. First operand 4584 states and 14569 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:21,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:21,861 INFO L93 Difference]: Finished difference Result 3908 states and 12347 transitions. [2022-11-03 02:18:21,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:21,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:21,888 INFO L225 Difference]: With dead ends: 3908 [2022-11-03 02:18:21,889 INFO L226 Difference]: Without dead ends: 3908 [2022-11-03 02:18:21,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:21,891 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:21,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:21,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-11-03 02:18:21,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3908. [2022-11-03 02:18:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 2677 states have (on average 4.612252521479268) internal successors, (12347), 3907 states have internal predecessors, (12347), 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) [2022-11-03 02:18:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 12347 transitions. [2022-11-03 02:18:22,009 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 12347 transitions. Word has length 3 [2022-11-03 02:18:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:22,009 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 12347 transitions. [2022-11-03 02:18:22,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 12347 transitions. [2022-11-03 02:18:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:22,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:22,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:22,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:18:22,011 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:22,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2640091, now seen corresponding path program 1 times [2022-11-03 02:18:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:22,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105538365] [2022-11-03 02:18:22,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:22,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:22,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:22,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105538365] [2022-11-03 02:18:22,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105538365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:22,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:22,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:22,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724853833] [2022-11-03 02:18:22,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:22,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:22,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:22,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:22,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:22,252 INFO L87 Difference]: Start difference. First operand 3908 states and 12347 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:22,540 INFO L93 Difference]: Finished difference Result 3284 states and 10301 transitions. [2022-11-03 02:18:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:22,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:22,561 INFO L225 Difference]: With dead ends: 3284 [2022-11-03 02:18:22,562 INFO L226 Difference]: Without dead ends: 3284 [2022-11-03 02:18:22,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:22,563 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:22,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:18:22,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2022-11-03 02:18:22,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 3284. [2022-11-03 02:18:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 2284 states have (on average 4.510070052539405) internal successors, (10301), 3283 states have internal predecessors, (10301), 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) [2022-11-03 02:18:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 10301 transitions. [2022-11-03 02:18:22,659 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 10301 transitions. Word has length 3 [2022-11-03 02:18:22,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:22,659 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 10301 transitions. [2022-11-03 02:18:22,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 10301 transitions. [2022-11-03 02:18:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:22,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:22,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:22,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:18:22,661 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:22,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:22,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2640108, now seen corresponding path program 1 times [2022-11-03 02:18:22,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:22,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005770000] [2022-11-03 02:18:22,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:22,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:22,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:22,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005770000] [2022-11-03 02:18:22,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005770000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:22,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:22,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:22,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145921210] [2022-11-03 02:18:22,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:22,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:22,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:22,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:22,902 INFO L87 Difference]: Start difference. First operand 3284 states and 10301 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:23,138 INFO L93 Difference]: Finished difference Result 2712 states and 8431 transitions. [2022-11-03 02:18:23,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:23,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:23,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:23,150 INFO L225 Difference]: With dead ends: 2712 [2022-11-03 02:18:23,151 INFO L226 Difference]: Without dead ends: 2712 [2022-11-03 02:18:23,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:23,152 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:23,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 0 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:23,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-11-03 02:18:23,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2712. [2022-11-03 02:18:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 1921 states have (on average 4.388859968766267) internal successors, (8431), 2711 states have internal predecessors, (8431), 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) [2022-11-03 02:18:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 8431 transitions. [2022-11-03 02:18:23,232 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 8431 transitions. Word has length 3 [2022-11-03 02:18:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:23,232 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 8431 transitions. [2022-11-03 02:18:23,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 8431 transitions. [2022-11-03 02:18:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:23,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:23,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:23,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:18:23,234 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:23,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:23,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2640092, now seen corresponding path program 1 times [2022-11-03 02:18:23,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:23,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782845265] [2022-11-03 02:18:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:23,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:23,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:23,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782845265] [2022-11-03 02:18:23,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782845265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:23,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:23,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:23,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366399000] [2022-11-03 02:18:23,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:23,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:23,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:23,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:23,309 INFO L87 Difference]: Start difference. First operand 2712 states and 8431 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:23,527 INFO L93 Difference]: Finished difference Result 2188 states and 6721 transitions. [2022-11-03 02:18:23,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:23,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:23,538 INFO L225 Difference]: With dead ends: 2188 [2022-11-03 02:18:23,538 INFO L226 Difference]: Without dead ends: 2188 [2022-11-03 02:18:23,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:23,539 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:23,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-11-03 02:18:23,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-11-03 02:18:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 1589 states have (on average 4.229704216488358) internal successors, (6721), 2187 states have internal predecessors, (6721), 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) [2022-11-03 02:18:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 6721 transitions. [2022-11-03 02:18:23,601 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 6721 transitions. Word has length 3 [2022-11-03 02:18:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:23,602 INFO L495 AbstractCegarLoop]: Abstraction has 2188 states and 6721 transitions. [2022-11-03 02:18:23,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 6721 transitions. [2022-11-03 02:18:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:23,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:23,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:23,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:18:23,603 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:23,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2640109, now seen corresponding path program 1 times [2022-11-03 02:18:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:23,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953798710] [2022-11-03 02:18:23,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:23,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:23,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:23,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953798710] [2022-11-03 02:18:23,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953798710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:23,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:23,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:23,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866014754] [2022-11-03 02:18:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:23,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:23,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:23,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:23,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:23,771 INFO L87 Difference]: Start difference. First operand 2188 states and 6721 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:23,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:23,971 INFO L93 Difference]: Finished difference Result 1732 states and 5243 transitions. [2022-11-03 02:18:23,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:23,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:23,980 INFO L225 Difference]: With dead ends: 1732 [2022-11-03 02:18:23,980 INFO L226 Difference]: Without dead ends: 1732 [2022-11-03 02:18:23,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:23,981 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:23,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:23,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2022-11-03 02:18:24,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1732. [2022-11-03 02:18:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1293 states have (on average 4.054911059551431) internal successors, (5243), 1731 states have internal predecessors, (5243), 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) [2022-11-03 02:18:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 5243 transitions. [2022-11-03 02:18:24,031 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 5243 transitions. Word has length 3 [2022-11-03 02:18:24,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:24,032 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 5243 transitions. [2022-11-03 02:18:24,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 5243 transitions. [2022-11-03 02:18:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:24,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:24,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:24,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:18:24,033 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:24,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:24,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2640095, now seen corresponding path program 1 times [2022-11-03 02:18:24,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:24,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126199491] [2022-11-03 02:18:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:24,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:24,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:24,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126199491] [2022-11-03 02:18:24,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126199491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:24,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:24,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679723912] [2022-11-03 02:18:24,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:24,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:24,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:24,140 INFO L87 Difference]: Start difference. First operand 1732 states and 5243 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:24,321 INFO L93 Difference]: Finished difference Result 1320 states and 3913 transitions. [2022-11-03 02:18:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:24,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:24,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:24,327 INFO L225 Difference]: With dead ends: 1320 [2022-11-03 02:18:24,327 INFO L226 Difference]: Without dead ends: 1320 [2022-11-03 02:18:24,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:24,328 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:24,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-11-03 02:18:24,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-11-03 02:18:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1024 states have (on average 3.8212890625) internal successors, (3913), 1319 states have internal predecessors, (3913), 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) [2022-11-03 02:18:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 3913 transitions. [2022-11-03 02:18:24,365 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 3913 transitions. Word has length 3 [2022-11-03 02:18:24,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:24,365 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 3913 transitions. [2022-11-03 02:18:24,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 3913 transitions. [2022-11-03 02:18:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:24,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:24,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:24,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:18:24,367 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2640096, now seen corresponding path program 1 times [2022-11-03 02:18:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:24,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161775499] [2022-11-03 02:18:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:24,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:24,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161775499] [2022-11-03 02:18:24,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161775499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:24,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:24,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:24,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114282765] [2022-11-03 02:18:24,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:24,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:24,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:24,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:24,573 INFO L87 Difference]: Start difference. First operand 1320 states and 3913 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:24,741 INFO L93 Difference]: Finished difference Result 968 states and 2785 transitions. [2022-11-03 02:18:24,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:24,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:24,746 INFO L225 Difference]: With dead ends: 968 [2022-11-03 02:18:24,746 INFO L226 Difference]: Without dead ends: 968 [2022-11-03 02:18:24,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:24,747 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:24,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:24,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2022-11-03 02:18:24,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2022-11-03 02:18:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 789 states have (on average 3.5297845373891) internal successors, (2785), 967 states have internal predecessors, (2785), 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) [2022-11-03 02:18:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 2785 transitions. [2022-11-03 02:18:24,773 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 2785 transitions. Word has length 3 [2022-11-03 02:18:24,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:24,774 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 2785 transitions. [2022-11-03 02:18:24,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 2785 transitions. [2022-11-03 02:18:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:18:24,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:24,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:18:24,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:18:24,776 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:24,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:24,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2640097, now seen corresponding path program 1 times [2022-11-03 02:18:24,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:24,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438394045] [2022-11-03 02:18:24,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:24,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:24,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:24,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438394045] [2022-11-03 02:18:24,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438394045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:24,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:24,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:24,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970624005] [2022-11-03 02:18:24,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:24,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:24,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:24,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:24,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:24,937 INFO L87 Difference]: Start difference. First operand 968 states and 2785 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:25,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:25,097 INFO L93 Difference]: Finished difference Result 660 states and 1805 transitions. [2022-11-03 02:18:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:25,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-03 02:18:25,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:25,100 INFO L225 Difference]: With dead ends: 660 [2022-11-03 02:18:25,101 INFO L226 Difference]: Without dead ends: 658 [2022-11-03 02:18:25,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:25,102 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:25,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:18:25,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-11-03 02:18:25,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2022-11-03 02:18:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 578 states have (on average 3.114186851211073) internal successors, (1800), 657 states have internal predecessors, (1800), 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) [2022-11-03 02:18:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1800 transitions. [2022-11-03 02:18:25,120 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1800 transitions. Word has length 3 [2022-11-03 02:18:25,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:25,121 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 1800 transitions. [2022-11-03 02:18:25,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-03 02:18:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1800 transitions. [2022-11-03 02:18:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:25,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:25,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:25,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:18:25,123 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:25,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:25,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585815, now seen corresponding path program 1 times [2022-11-03 02:18:25,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:25,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561105677] [2022-11-03 02:18:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:25,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:25,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561105677] [2022-11-03 02:18:25,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561105677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:25,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:25,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:25,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263848766] [2022-11-03 02:18:25,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:25,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:25,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:25,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:25,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:25,311 INFO L87 Difference]: Start difference. First operand 658 states and 1800 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:25,453 INFO L93 Difference]: Finished difference Result 538 states and 1456 transitions. [2022-11-03 02:18:25,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:25,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:25,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:25,456 INFO L225 Difference]: With dead ends: 538 [2022-11-03 02:18:25,456 INFO L226 Difference]: Without dead ends: 538 [2022-11-03 02:18:25,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:25,457 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:25,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-03 02:18:25,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2022-11-03 02:18:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 475 states have (on average 3.0652631578947367) internal successors, (1456), 537 states have internal predecessors, (1456), 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) [2022-11-03 02:18:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1456 transitions. [2022-11-03 02:18:25,472 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1456 transitions. Word has length 5 [2022-11-03 02:18:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:25,472 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 1456 transitions. [2022-11-03 02:18:25,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1456 transitions. [2022-11-03 02:18:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:25,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:25,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:25,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:18:25,475 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:25,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:25,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585830, now seen corresponding path program 1 times [2022-11-03 02:18:25,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:25,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500261724] [2022-11-03 02:18:25,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:25,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:25,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:25,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500261724] [2022-11-03 02:18:25,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500261724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:25,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:25,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:25,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796417027] [2022-11-03 02:18:25,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:25,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:25,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:25,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:25,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:25,574 INFO L87 Difference]: Start difference. First operand 538 states and 1456 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:25,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:25,705 INFO L93 Difference]: Finished difference Result 430 states and 1148 transitions. [2022-11-03 02:18:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:25,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:25,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:25,707 INFO L225 Difference]: With dead ends: 430 [2022-11-03 02:18:25,708 INFO L226 Difference]: Without dead ends: 430 [2022-11-03 02:18:25,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:25,709 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:25,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 0 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-03 02:18:25,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2022-11-03 02:18:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 382 states have (on average 3.005235602094241) internal successors, (1148), 429 states have internal predecessors, (1148), 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) [2022-11-03 02:18:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1148 transitions. [2022-11-03 02:18:25,722 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1148 transitions. Word has length 5 [2022-11-03 02:18:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:25,722 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 1148 transitions. [2022-11-03 02:18:25,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1148 transitions. [2022-11-03 02:18:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:25,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:25,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:25,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:18:25,724 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:25,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:25,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585812, now seen corresponding path program 1 times [2022-11-03 02:18:25,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:25,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166297726] [2022-11-03 02:18:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:25,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:25,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:25,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166297726] [2022-11-03 02:18:25,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166297726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:25,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:25,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162527697] [2022-11-03 02:18:25,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:25,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:25,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:25,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:25,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:25,904 INFO L87 Difference]: Start difference. First operand 430 states and 1148 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:26,021 INFO L93 Difference]: Finished difference Result 334 states and 876 transitions. [2022-11-03 02:18:26,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:26,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:26,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:26,023 INFO L225 Difference]: With dead ends: 334 [2022-11-03 02:18:26,023 INFO L226 Difference]: Without dead ends: 334 [2022-11-03 02:18:26,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,024 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:26,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:26,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-03 02:18:26,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2022-11-03 02:18:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 299 states have (on average 2.9297658862876252) internal successors, (876), 333 states have internal predecessors, (876), 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) [2022-11-03 02:18:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 876 transitions. [2022-11-03 02:18:26,033 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 876 transitions. Word has length 5 [2022-11-03 02:18:26,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:26,034 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 876 transitions. [2022-11-03 02:18:26,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 876 transitions. [2022-11-03 02:18:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:26,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:26,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:26,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:18:26,036 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585827, now seen corresponding path program 1 times [2022-11-03 02:18:26,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:26,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682412479] [2022-11-03 02:18:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:26,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:26,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:26,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682412479] [2022-11-03 02:18:26,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682412479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:26,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:26,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:26,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310274331] [2022-11-03 02:18:26,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:26,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:26,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:26,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:26,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,107 INFO L87 Difference]: Start difference. First operand 334 states and 876 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:26,207 INFO L93 Difference]: Finished difference Result 250 states and 640 transitions. [2022-11-03 02:18:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:26,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:26,209 INFO L225 Difference]: With dead ends: 250 [2022-11-03 02:18:26,209 INFO L226 Difference]: Without dead ends: 250 [2022-11-03 02:18:26,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,210 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:26,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:26,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-03 02:18:26,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-11-03 02:18:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 226 states have (on average 2.831858407079646) internal successors, (640), 249 states have internal predecessors, (640), 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) [2022-11-03 02:18:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 640 transitions. [2022-11-03 02:18:26,218 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 640 transitions. Word has length 5 [2022-11-03 02:18:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:26,219 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 640 transitions. [2022-11-03 02:18:26,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 640 transitions. [2022-11-03 02:18:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:26,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:26,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:26,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:18:26,221 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:26,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:26,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585824, now seen corresponding path program 1 times [2022-11-03 02:18:26,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:26,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567933676] [2022-11-03 02:18:26,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:26,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:26,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:26,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567933676] [2022-11-03 02:18:26,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567933676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:26,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:26,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805593777] [2022-11-03 02:18:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:26,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:26,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:26,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:26,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,316 INFO L87 Difference]: Start difference. First operand 250 states and 640 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:26,407 INFO L93 Difference]: Finished difference Result 178 states and 440 transitions. [2022-11-03 02:18:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:26,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:26,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:26,408 INFO L225 Difference]: With dead ends: 178 [2022-11-03 02:18:26,409 INFO L226 Difference]: Without dead ends: 178 [2022-11-03 02:18:26,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,409 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:26,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 0 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:26,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-03 02:18:26,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-03 02:18:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 163 states have (on average 2.6993865030674846) internal successors, (440), 177 states have internal predecessors, (440), 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) [2022-11-03 02:18:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 440 transitions. [2022-11-03 02:18:26,416 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 440 transitions. Word has length 5 [2022-11-03 02:18:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:26,417 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 440 transitions. [2022-11-03 02:18:26,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 440 transitions. [2022-11-03 02:18:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:26,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:26,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:26,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:18:26,420 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585821, now seen corresponding path program 1 times [2022-11-03 02:18:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:26,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294968414] [2022-11-03 02:18:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:26,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:26,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294968414] [2022-11-03 02:18:26,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294968414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:26,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:26,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:26,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140418305] [2022-11-03 02:18:26,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:26,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:26,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:26,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:26,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,524 INFO L87 Difference]: Start difference. First operand 178 states and 440 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:26,601 INFO L93 Difference]: Finished difference Result 118 states and 276 transitions. [2022-11-03 02:18:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:26,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:26,603 INFO L225 Difference]: With dead ends: 118 [2022-11-03 02:18:26,603 INFO L226 Difference]: Without dead ends: 118 [2022-11-03 02:18:26,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,606 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:26,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 0 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:26,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-03 02:18:26,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-03 02:18:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 110 states have (on average 2.5090909090909093) internal successors, (276), 117 states have internal predecessors, (276), 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) [2022-11-03 02:18:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 276 transitions. [2022-11-03 02:18:26,614 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 276 transitions. Word has length 5 [2022-11-03 02:18:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:26,614 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 276 transitions. [2022-11-03 02:18:26,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 276 transitions. [2022-11-03 02:18:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:26,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:26,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:26,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:18:26,617 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:26,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:26,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585818, now seen corresponding path program 1 times [2022-11-03 02:18:26,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:26,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570828250] [2022-11-03 02:18:26,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:26,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:26,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:26,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570828250] [2022-11-03 02:18:26,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570828250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:26,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:26,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:26,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734284447] [2022-11-03 02:18:26,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:26,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:26,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:26,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,751 INFO L87 Difference]: Start difference. First operand 118 states and 276 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:26,817 INFO L93 Difference]: Finished difference Result 70 states and 148 transitions. [2022-11-03 02:18:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:26,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:26,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:26,818 INFO L225 Difference]: With dead ends: 70 [2022-11-03 02:18:26,818 INFO L226 Difference]: Without dead ends: 70 [2022-11-03 02:18:26,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,819 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:26,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:18:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-03 02:18:26,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-03 02:18:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 67 states have (on average 2.208955223880597) internal successors, (148), 69 states have internal predecessors, (148), 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) [2022-11-03 02:18:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 148 transitions. [2022-11-03 02:18:26,822 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 148 transitions. Word has length 5 [2022-11-03 02:18:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:26,822 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 148 transitions. [2022-11-03 02:18:26,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2022-11-03 02:18:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:18:26,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:26,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:18:26,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:18:26,823 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-03 02:18:26,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1757585833, now seen corresponding path program 1 times [2022-11-03 02:18:26,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:26,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316878152] [2022-11-03 02:18:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:26,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:18:26,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:26,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316878152] [2022-11-03 02:18:26,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316878152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:26,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:26,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 02:18:26,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585934911] [2022-11-03 02:18:26,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:26,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:26,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:26,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:26,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,884 INFO L87 Difference]: Start difference. First operand 70 states and 148 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:26,935 INFO L93 Difference]: Finished difference Result 34 states and 56 transitions. [2022-11-03 02:18:26,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:26,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:18:26,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:26,936 INFO L225 Difference]: With dead ends: 34 [2022-11-03 02:18:26,936 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:18:26,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:26,937 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:26,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:18:26,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:18:26,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:18:26,939 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) [2022-11-03 02:18:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:18:26,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-03 02:18:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:26,940 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:18:26,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:18:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:18:26,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:18:26,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (146 of 147 remaining) [2022-11-03 02:18:26,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (145 of 147 remaining) [2022-11-03 02:18:26,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (144 of 147 remaining) [2022-11-03 02:18:26,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (143 of 147 remaining) [2022-11-03 02:18:26,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (142 of 147 remaining) [2022-11-03 02:18:26,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (141 of 147 remaining) [2022-11-03 02:18:26,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (140 of 147 remaining) [2022-11-03 02:18:26,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 147 remaining) [2022-11-03 02:18:26,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 147 remaining) [2022-11-03 02:18:26,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 147 remaining) [2022-11-03 02:18:26,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 147 remaining) [2022-11-03 02:18:26,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 147 remaining) [2022-11-03 02:18:26,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 147 remaining) [2022-11-03 02:18:26,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 147 remaining) [2022-11-03 02:18:26,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 147 remaining) [2022-11-03 02:18:26,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 147 remaining) [2022-11-03 02:18:26,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 147 remaining) [2022-11-03 02:18:26,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 147 remaining) [2022-11-03 02:18:26,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 147 remaining) [2022-11-03 02:18:26,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 147 remaining) [2022-11-03 02:18:26,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 147 remaining) [2022-11-03 02:18:26,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 147 remaining) [2022-11-03 02:18:26,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 147 remaining) [2022-11-03 02:18:26,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 147 remaining) [2022-11-03 02:18:26,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 147 remaining) [2022-11-03 02:18:26,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 147 remaining) [2022-11-03 02:18:26,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 147 remaining) [2022-11-03 02:18:26,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 147 remaining) [2022-11-03 02:18:26,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 147 remaining) [2022-11-03 02:18:26,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 147 remaining) [2022-11-03 02:18:26,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 147 remaining) [2022-11-03 02:18:26,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 147 remaining) [2022-11-03 02:18:26,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 147 remaining) [2022-11-03 02:18:26,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 147 remaining) [2022-11-03 02:18:26,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 147 remaining) [2022-11-03 02:18:26,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 147 remaining) [2022-11-03 02:18:26,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 147 remaining) [2022-11-03 02:18:26,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 147 remaining) [2022-11-03 02:18:26,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 147 remaining) [2022-11-03 02:18:26,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 147 remaining) [2022-11-03 02:18:26,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 147 remaining) [2022-11-03 02:18:26,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 147 remaining) [2022-11-03 02:18:26,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 147 remaining) [2022-11-03 02:18:26,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 147 remaining) [2022-11-03 02:18:26,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 147 remaining) [2022-11-03 02:18:26,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 147 remaining) [2022-11-03 02:18:26,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 147 remaining) [2022-11-03 02:18:26,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 147 remaining) [2022-11-03 02:18:26,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 147 remaining) [2022-11-03 02:18:26,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 147 remaining) [2022-11-03 02:18:26,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 147 remaining) [2022-11-03 02:18:26,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 147 remaining) [2022-11-03 02:18:26,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 147 remaining) [2022-11-03 02:18:26,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 147 remaining) [2022-11-03 02:18:26,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 147 remaining) [2022-11-03 02:18:26,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 147 remaining) [2022-11-03 02:18:26,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 147 remaining) [2022-11-03 02:18:26,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 147 remaining) [2022-11-03 02:18:26,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 147 remaining) [2022-11-03 02:18:26,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 147 remaining) [2022-11-03 02:18:26,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 147 remaining) [2022-11-03 02:18:26,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 147 remaining) [2022-11-03 02:18:26,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 147 remaining) [2022-11-03 02:18:26,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 147 remaining) [2022-11-03 02:18:26,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 147 remaining) [2022-11-03 02:18:26,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 147 remaining) [2022-11-03 02:18:26,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 147 remaining) [2022-11-03 02:18:26,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 147 remaining) [2022-11-03 02:18:26,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 147 remaining) [2022-11-03 02:18:26,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 147 remaining) [2022-11-03 02:18:26,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 147 remaining) [2022-11-03 02:18:26,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 147 remaining) [2022-11-03 02:18:26,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (74 of 147 remaining) [2022-11-03 02:18:26,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 147 remaining) [2022-11-03 02:18:26,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 147 remaining) [2022-11-03 02:18:26,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 147 remaining) [2022-11-03 02:18:26,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 147 remaining) [2022-11-03 02:18:26,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 147 remaining) [2022-11-03 02:18:26,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 147 remaining) [2022-11-03 02:18:26,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 147 remaining) [2022-11-03 02:18:26,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 147 remaining) [2022-11-03 02:18:26,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 147 remaining) [2022-11-03 02:18:26,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 147 remaining) [2022-11-03 02:18:26,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 147 remaining) [2022-11-03 02:18:26,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 147 remaining) [2022-11-03 02:18:26,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 147 remaining) [2022-11-03 02:18:26,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 147 remaining) [2022-11-03 02:18:26,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 147 remaining) [2022-11-03 02:18:26,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 147 remaining) [2022-11-03 02:18:26,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 147 remaining) [2022-11-03 02:18:26,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 147 remaining) [2022-11-03 02:18:26,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 147 remaining) [2022-11-03 02:18:26,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 147 remaining) [2022-11-03 02:18:26,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 147 remaining) [2022-11-03 02:18:26,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 147 remaining) [2022-11-03 02:18:26,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 147 remaining) [2022-11-03 02:18:26,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 147 remaining) [2022-11-03 02:18:26,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 147 remaining) [2022-11-03 02:18:26,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 147 remaining) [2022-11-03 02:18:26,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 147 remaining) [2022-11-03 02:18:26,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 147 remaining) [2022-11-03 02:18:26,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 147 remaining) [2022-11-03 02:18:26,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 147 remaining) [2022-11-03 02:18:26,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 147 remaining) [2022-11-03 02:18:26,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 147 remaining) [2022-11-03 02:18:26,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 147 remaining) [2022-11-03 02:18:26,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 147 remaining) [2022-11-03 02:18:26,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 147 remaining) [2022-11-03 02:18:26,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 147 remaining) [2022-11-03 02:18:26,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 147 remaining) [2022-11-03 02:18:26,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 147 remaining) [2022-11-03 02:18:26,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 147 remaining) [2022-11-03 02:18:26,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 147 remaining) [2022-11-03 02:18:26,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 147 remaining) [2022-11-03 02:18:26,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 147 remaining) [2022-11-03 02:18:26,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 147 remaining) [2022-11-03 02:18:26,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 147 remaining) [2022-11-03 02:18:26,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 147 remaining) [2022-11-03 02:18:26,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 147 remaining) [2022-11-03 02:18:26,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 147 remaining) [2022-11-03 02:18:26,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 147 remaining) [2022-11-03 02:18:26,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 147 remaining) [2022-11-03 02:18:26,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 147 remaining) [2022-11-03 02:18:26,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 147 remaining) [2022-11-03 02:18:26,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 147 remaining) [2022-11-03 02:18:26,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 147 remaining) [2022-11-03 02:18:26,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 147 remaining) [2022-11-03 02:18:26,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 147 remaining) [2022-11-03 02:18:26,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 147 remaining) [2022-11-03 02:18:26,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 147 remaining) [2022-11-03 02:18:26,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 147 remaining) [2022-11-03 02:18:26,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 147 remaining) [2022-11-03 02:18:26,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 147 remaining) [2022-11-03 02:18:26,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 147 remaining) [2022-11-03 02:18:26,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 147 remaining) [2022-11-03 02:18:26,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 147 remaining) [2022-11-03 02:18:26,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 147 remaining) [2022-11-03 02:18:26,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 147 remaining) [2022-11-03 02:18:26,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 147 remaining) [2022-11-03 02:18:26,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 147 remaining) [2022-11-03 02:18:26,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 147 remaining) [2022-11-03 02:18:26,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 147 remaining) [2022-11-03 02:18:26,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 147 remaining) [2022-11-03 02:18:26,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 147 remaining) [2022-11-03 02:18:26,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 147 remaining) [2022-11-03 02:18:26,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 147 remaining) [2022-11-03 02:18:26,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 147 remaining) [2022-11-03 02:18:26,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:18:26,979 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:18:26,986 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 02:18:26,986 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:18:26,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:18:26 BasicIcfg [2022-11-03 02:18:26,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:18:26,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:18:26,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:18:26,991 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:18:26,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:39" (3/4) ... [2022-11-03 02:18:26,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:18:27,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-03 02:18:27,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-03 02:18:27,001 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-03 02:18:27,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-03 02:18:27,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 02:18:27,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:18:27,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:18:27,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:18:27,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:18:27,049 INFO L158 Benchmark]: Toolchain (without parser) took 114934.51ms. Allocated memory was 86.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 66.1MB in the beginning and 932.5MB in the end (delta: -866.4MB). Peak memory consumption was 547.9MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,049 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:18:27,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.75ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 65.9MB in the beginning and 109.6MB in the end (delta: -43.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.80ms. Allocated memory is still 134.2MB. Free memory was 109.6MB in the beginning and 106.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,050 INFO L158 Benchmark]: Boogie Preprocessor took 64.42ms. Allocated memory is still 134.2MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,051 INFO L158 Benchmark]: RCFGBuilder took 6899.60ms. Allocated memory was 134.2MB in the beginning and 604.0MB in the end (delta: 469.8MB). Free memory was 103.6MB in the beginning and 475.3MB in the end (delta: -371.8MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,051 INFO L158 Benchmark]: TraceAbstraction took 107438.86ms. Allocated memory was 604.0MB in the beginning and 1.5GB in the end (delta: 897.6MB). Free memory was 474.3MB in the beginning and 935.6MB in the end (delta: -461.3MB). Peak memory consumption was 437.3MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,051 INFO L158 Benchmark]: Witness Printer took 58.01ms. Allocated memory is still 1.5GB. Free memory was 935.6MB in the beginning and 932.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:18:27,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.75ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 65.9MB in the beginning and 109.6MB in the end (delta: -43.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.80ms. Allocated memory is still 134.2MB. Free memory was 109.6MB in the beginning and 106.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.42ms. Allocated memory is still 134.2MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6899.60ms. Allocated memory was 134.2MB in the beginning and 604.0MB in the end (delta: 469.8MB). Free memory was 103.6MB in the beginning and 475.3MB in the end (delta: -371.8MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. * TraceAbstraction took 107438.86ms. Allocated memory was 604.0MB in the beginning and 1.5GB in the end (delta: 897.6MB). Free memory was 474.3MB in the beginning and 935.6MB in the end (delta: -461.3MB). Peak memory consumption was 437.3MB. Max. memory is 16.1GB. * Witness Printer took 58.01ms. Allocated memory is still 1.5GB. Free memory was 935.6MB in the beginning and 932.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.6s, 212 PlacesBefore, 101 PlacesAfterwards, 204 TransitionsBefore, 91 TransitionsAfterwards, 6318 CoEnabledTransitionPairs, 7 FixpointIterations, 95 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 124 TotalNumberOfCompositions, 4380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4380, positive: 4380, positive conditional: 0, positive unconditional: 4380, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1365, positive: 1365, positive conditional: 0, positive unconditional: 1365, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1365, positive: 1365, positive conditional: 0, positive unconditional: 1365, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4380, positive: 3015, positive conditional: 0, positive unconditional: 3015, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1365, unknown conditional: 0, unknown unconditional: 1365] , Statistics on independence cache: Total cache size (in pairs): 390, Positive cache size: 390, Positive conditional cache size: 0, Positive unconditional cache size: 390, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - 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: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 109]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 290 locations, 147 error locations. Started 1 CEGAR loops. OverallTime: 105.6s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 90.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 824 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 824 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 888 IncrementalHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 0 mSDtfsCounter, 888 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37956occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-03 02:18:27,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f6e62c1-47a4-4a2f-9ac0-62d7c251600b/bin/utaipan-7li7fVZpFI/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