./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 00:13:51,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:13:51,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:13:51,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:13:51,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:13:51,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:13:51,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:13:51,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:13:51,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:13:51,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:13:51,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:13:51,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:13:51,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:13:51,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:13:51,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:13:51,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:13:51,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:13:51,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:13:51,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:13:51,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:13:51,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:13:51,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:13:51,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:13:51,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:13:51,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:13:51,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:13:51,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:13:51,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:13:51,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:13:51,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:13:51,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:13:51,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:13:51,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:13:51,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:13:51,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:13:51,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:13:51,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:13:51,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:13:51,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:13:51,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:13:51,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:13:51,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 00:13:51,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:13:51,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:13:51,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:13:51,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:13:51,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:13:51,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:13:51,729 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:13:51,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:13:51,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:13:51,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:13:51,730 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:13:51,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:13:51,731 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:13:51,731 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:13:51,731 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:13:51,731 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:13:51,732 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:13:51,732 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:13:51,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:13:51,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:13:51,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:13:51,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:13:51,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:13:51,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:13:51,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:13:51,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:13:51,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:13:51,734 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:13:51,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:13:51,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:13:51,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:13:51,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:13:51,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:13:51,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:13:51,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:51,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:13:51,736 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:13:51,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:13:51,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:13:51,737 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:13:51,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:13:51,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:13:51,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:13:51,737 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_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb2ea6991951b6a9c5c1df0de2ac5ff84f75971959d591fa5f258025f94929 [2022-11-22 00:13:52,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:13:52,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:13:52,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:13:52,088 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:13:52,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:13:52,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2022-11-22 00:13:55,170 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:13:55,366 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:13:55,371 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c [2022-11-22 00:13:55,379 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/data/53b11879a/1fd5d41f56af44c5853158f634b7b765/FLAG8a825c3a4 [2022-11-22 00:13:55,401 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/data/53b11879a/1fd5d41f56af44c5853158f634b7b765 [2022-11-22 00:13:55,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:13:55,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:13:55,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:55,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:13:55,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:13:55,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddfd6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55, skipping insertion in model container [2022-11-22 00:13:55,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:13:55,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:13:55,790 WARN L237 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_30e406ec-ec4a-4847-b166-1ae219f92e28/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-11-22 00:13:55,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:13:55,821 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:13:55,847 WARN L237 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_30e406ec-ec4a-4847-b166-1ae219f92e28/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-11-22 00:13:55,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:13:55,866 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:13:55,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55 WrapperNode [2022-11-22 00:13:55,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:13:55,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:13:55,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:13:55,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:13:55,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,929 INFO L138 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 521 [2022-11-22 00:13:55,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:13:55,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:13:55,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:13:55,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:13:55,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,965 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:13:55,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:13:55,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:13:55,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:13:55,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (1/1) ... [2022-11-22 00:13:55,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:13:56,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:13:56,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:13:56,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:13:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:13:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-22 00:13:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-22 00:13:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-22 00:13:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-22 00:13:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-22 00:13:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-22 00:13:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:13:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:13:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:13:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 00:13:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 00:13:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:13:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:13:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:13:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:13:56,074 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:13:56,197 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:13:56,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:13:57,336 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:14:01,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:14:01,982 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:14:01,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:14:01 BoogieIcfgContainer [2022-11-22 00:14:01,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:14:01,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:14:01,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:14:01,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:14:01,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:13:55" (1/3) ... [2022-11-22 00:14:01,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5835df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:14:01, skipping insertion in model container [2022-11-22 00:14:01,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:13:55" (2/3) ... [2022-11-22 00:14:01,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5835df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:14:01, skipping insertion in model container [2022-11-22 00:14:01,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:14:01" (3/3) ... [2022-11-22 00:14:02,000 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2022-11-22 00:14:02,011 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:14:02,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:14:02,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-11-22 00:14:02,021 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:14:03,419 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-22 00:14:03,457 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:14:03,474 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 204 transitions, 432 flow [2022-11-22 00:14:03,477 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 204 transitions, 432 flow [2022-11-22 00:14:03,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 204 transitions, 432 flow [2022-11-22 00:14:03,903 INFO L130 PetriNetUnfolder]: 2/201 cut-off events. [2022-11-22 00:14:03,903 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-22 00:14:03,907 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 496 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. [2022-11-22 00:14:03,913 INFO L119 LiptonReduction]: Number of co-enabled transitions 6318 [2022-11-22 00:14:12,232 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 648 DAG size of output: 371 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:14:37,806 WARN L233 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 1323 DAG size of output: 680 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:14:59,829 WARN L233 SmtUtils]: Spent 19.10s on a formula simplification. DAG size of input: 1524 DAG size of output: 809 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 00:15:13,460 INFO L134 LiptonReduction]: Checked pairs total: 4383 [2022-11-22 00:15:13,460 INFO L136 LiptonReduction]: Total number of compositions: 122 [2022-11-22 00:15:13,468 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 91 transitions, 206 flow [2022-11-22 00:15:14,733 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) [2022-11-22 00:15:14,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:15:14,770 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;@ed22dd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:15:14,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2022-11-22 00:15:14,816 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) [2022-11-22 00:15:14,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:14,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:14,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:14,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:14,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:14,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2638176, now seen corresponding path program 1 times [2022-11-22 00:15:14,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:14,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381476724] [2022-11-22 00:15:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:15,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:15,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381476724] [2022-11-22 00:15:15,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381476724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:15,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:15,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:15,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79760452] [2022-11-22 00:15:15,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:15,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:15,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:15,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:15,583 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) [2022-11-22 00:15:16,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:16,348 INFO L93 Difference]: Finished difference Result 11692 states and 38261 transitions. [2022-11-22 00:15:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:16,352 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 [2022-11-22 00:15:16,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:16,501 INFO L225 Difference]: With dead ends: 11692 [2022-11-22 00:15:16,501 INFO L226 Difference]: Without dead ends: 11692 [2022-11-22 00:15:16,503 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 [2022-11-22 00:15:16,507 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:16,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 0 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 00:15:16,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11692 states. [2022-11-22 00:15:16,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11692 to 11692. [2022-11-22 00:15:16,962 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) [2022-11-22 00:15:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11692 states to 11692 states and 38261 transitions. [2022-11-22 00:15:17,039 INFO L78 Accepts]: Start accepts. Automaton has 11692 states and 38261 transitions. Word has length 3 [2022-11-22 00:15:17,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:17,040 INFO L495 AbstractCegarLoop]: Abstraction has 11692 states and 38261 transitions. [2022-11-22 00:15:17,040 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) [2022-11-22 00:15:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11692 states and 38261 transitions. [2022-11-22 00:15:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:17,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:17,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:17,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:15:17,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:17,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2638179, now seen corresponding path program 1 times [2022-11-22 00:15:17,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:17,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255170917] [2022-11-22 00:15:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:17,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:17,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255170917] [2022-11-22 00:15:17,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255170917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:17,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:17,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:17,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77203514] [2022-11-22 00:15:17,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:17,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:17,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:17,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:17,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:17,335 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) [2022-11-22 00:15:17,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:17,757 INFO L93 Difference]: Finished difference Result 10428 states and 34021 transitions. [2022-11-22 00:15:17,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:17,758 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 [2022-11-22 00:15:17,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:17,820 INFO L225 Difference]: With dead ends: 10428 [2022-11-22 00:15:17,820 INFO L226 Difference]: Without dead ends: 10428 [2022-11-22 00:15:17,821 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 [2022-11-22 00:15:17,822 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 56 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:17,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 0 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 00:15:17,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10428 states. [2022-11-22 00:15:18,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10428 to 10428. [2022-11-22 00:15:18,133 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) [2022-11-22 00:15:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10428 states to 10428 states and 34021 transitions. [2022-11-22 00:15:18,198 INFO L78 Accepts]: Start accepts. Automaton has 10428 states and 34021 transitions. Word has length 3 [2022-11-22 00:15:18,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:18,199 INFO L495 AbstractCegarLoop]: Abstraction has 10428 states and 34021 transitions. [2022-11-22 00:15:18,199 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) [2022-11-22 00:15:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 10428 states and 34021 transitions. [2022-11-22 00:15:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:18,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:18,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:18,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:15:18,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:18,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2638180, now seen corresponding path program 1 times [2022-11-22 00:15:18,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:18,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927414747] [2022-11-22 00:15:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:18,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:19,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:19,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927414747] [2022-11-22 00:15:19,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927414747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:19,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:19,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:19,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783277043] [2022-11-22 00:15:19,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:19,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:19,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:19,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:19,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:19,090 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) [2022-11-22 00:15:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:19,512 INFO L93 Difference]: Finished difference Result 9272 states and 30163 transitions. [2022-11-22 00:15:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:19,513 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 [2022-11-22 00:15:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:19,573 INFO L225 Difference]: With dead ends: 9272 [2022-11-22 00:15:19,574 INFO L226 Difference]: Without dead ends: 9272 [2022-11-22 00:15:19,575 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 [2022-11-22 00:15:19,578 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 [2022-11-22 00:15:19,580 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] [2022-11-22 00:15:19,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9272 states. [2022-11-22 00:15:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9272 to 9272. [2022-11-22 00:15:19,916 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) [2022-11-22 00:15:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9272 states to 9272 states and 30163 transitions. [2022-11-22 00:15:19,978 INFO L78 Accepts]: Start accepts. Automaton has 9272 states and 30163 transitions. Word has length 3 [2022-11-22 00:15:19,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:19,979 INFO L495 AbstractCegarLoop]: Abstraction has 9272 states and 30163 transitions. [2022-11-22 00:15:19,979 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) [2022-11-22 00:15:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 9272 states and 30163 transitions. [2022-11-22 00:15:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:19,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:19,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:19,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:15:19,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:19,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2638181, now seen corresponding path program 1 times [2022-11-22 00:15:19,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:19,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909316515] [2022-11-22 00:15:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:20,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:20,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909316515] [2022-11-22 00:15:20,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909316515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:20,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:20,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:20,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161731125] [2022-11-22 00:15:20,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:20,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:20,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:20,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:20,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:20,400 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) [2022-11-22 00:15:20,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:20,746 INFO L93 Difference]: Finished difference Result 8184 states and 26537 transitions. [2022-11-22 00:15:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:20,747 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 [2022-11-22 00:15:20,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:20,793 INFO L225 Difference]: With dead ends: 8184 [2022-11-22 00:15:20,794 INFO L226 Difference]: Without dead ends: 8184 [2022-11-22 00:15:20,794 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 [2022-11-22 00:15:20,795 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-11-22 00:15:20,795 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] [2022-11-22 00:15:20,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8184 states. [2022-11-22 00:15:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8184 to 8184. [2022-11-22 00:15:21,103 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) [2022-11-22 00:15:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8184 states to 8184 states and 26537 transitions. [2022-11-22 00:15:21,133 INFO L78 Accepts]: Start accepts. Automaton has 8184 states and 26537 transitions. Word has length 3 [2022-11-22 00:15:21,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:21,134 INFO L495 AbstractCegarLoop]: Abstraction has 8184 states and 26537 transitions. [2022-11-22 00:15:21,134 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) [2022-11-22 00:15:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 8184 states and 26537 transitions. [2022-11-22 00:15:21,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:21,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:21,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:21,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:15:21,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:21,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2638182, now seen corresponding path program 1 times [2022-11-22 00:15:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:21,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163352689] [2022-11-22 00:15:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:21,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:21,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:21,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163352689] [2022-11-22 00:15:21,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163352689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:21,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:21,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:21,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071428995] [2022-11-22 00:15:21,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:21,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:21,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:21,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:21,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:21,229 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) [2022-11-22 00:15:21,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:21,528 INFO L93 Difference]: Finished difference Result 7188 states and 23215 transitions. [2022-11-22 00:15:21,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:21,529 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 [2022-11-22 00:15:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:21,567 INFO L225 Difference]: With dead ends: 7188 [2022-11-22 00:15:21,567 INFO L226 Difference]: Without dead ends: 7188 [2022-11-22 00:15:21,568 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 [2022-11-22 00:15:21,568 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-11-22 00:15:21,569 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] [2022-11-22 00:15:21,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7188 states. [2022-11-22 00:15:21,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7188 to 7188. [2022-11-22 00:15:21,803 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) [2022-11-22 00:15:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7188 states to 7188 states and 23215 transitions. [2022-11-22 00:15:21,830 INFO L78 Accepts]: Start accepts. Automaton has 7188 states and 23215 transitions. Word has length 3 [2022-11-22 00:15:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:21,831 INFO L495 AbstractCegarLoop]: Abstraction has 7188 states and 23215 transitions. [2022-11-22 00:15:21,831 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) [2022-11-22 00:15:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7188 states and 23215 transitions. [2022-11-22 00:15:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:21,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:21,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:21,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:15:21,832 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:21,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2638185, now seen corresponding path program 1 times [2022-11-22 00:15:21,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:21,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261650856] [2022-11-22 00:15:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:21,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:21,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261650856] [2022-11-22 00:15:21,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261650856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:21,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:21,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:21,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505010141] [2022-11-22 00:15:21,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:21,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:21,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:21,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:21,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:21,953 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) [2022-11-22 00:15:22,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:22,224 INFO L93 Difference]: Finished difference Result 6256 states and 20113 transitions. [2022-11-22 00:15:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:22,225 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 [2022-11-22 00:15:22,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:22,262 INFO L225 Difference]: With dead ends: 6256 [2022-11-22 00:15:22,262 INFO L226 Difference]: Without dead ends: 6256 [2022-11-22 00:15:22,263 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 [2022-11-22 00:15:22,263 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:22,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:15:22,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6256 states. [2022-11-22 00:15:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6256 to 6256. [2022-11-22 00:15:22,415 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) [2022-11-22 00:15:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 20113 transitions. [2022-11-22 00:15:22,438 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 20113 transitions. Word has length 3 [2022-11-22 00:15:22,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:22,438 INFO L495 AbstractCegarLoop]: Abstraction has 6256 states and 20113 transitions. [2022-11-22 00:15:22,439 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) [2022-11-22 00:15:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 20113 transitions. [2022-11-22 00:15:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:22,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:22,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:22,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:15:22,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:22,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:22,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2638164, now seen corresponding path program 1 times [2022-11-22 00:15:22,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:22,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546171817] [2022-11-22 00:15:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:22,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:22,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:22,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546171817] [2022-11-22 00:15:22,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546171817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:22,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:22,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:22,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299898087] [2022-11-22 00:15:22,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:22,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:22,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:22,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:22,490 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) [2022-11-22 00:15:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:22,739 INFO L93 Difference]: Finished difference Result 5388 states and 17231 transitions. [2022-11-22 00:15:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:22,740 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 [2022-11-22 00:15:22,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:22,766 INFO L225 Difference]: With dead ends: 5388 [2022-11-22 00:15:22,767 INFO L226 Difference]: Without dead ends: 5388 [2022-11-22 00:15:22,767 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 [2022-11-22 00:15:22,770 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:22,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:15:22,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2022-11-22 00:15:22,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 5388. [2022-11-22 00:15:22,894 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) [2022-11-22 00:15:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 17231 transitions. [2022-11-22 00:15:22,913 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 17231 transitions. Word has length 3 [2022-11-22 00:15:22,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:22,913 INFO L495 AbstractCegarLoop]: Abstraction has 5388 states and 17231 transitions. [2022-11-22 00:15:22,913 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) [2022-11-22 00:15:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 17231 transitions. [2022-11-22 00:15:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:22,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:22,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:22,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:15:22,915 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:22,915 INFO L85 PathProgramCache]: Analyzing trace with hash 2638167, now seen corresponding path program 1 times [2022-11-22 00:15:22,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:22,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119090784] [2022-11-22 00:15:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:23,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:23,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119090784] [2022-11-22 00:15:23,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119090784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:23,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:23,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:23,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140351147] [2022-11-22 00:15:23,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:23,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:23,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:23,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:23,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:23,042 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) [2022-11-22 00:15:23,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:23,345 INFO L93 Difference]: Finished difference Result 4584 states and 14569 transitions. [2022-11-22 00:15:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:23,346 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 [2022-11-22 00:15:23,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:23,369 INFO L225 Difference]: With dead ends: 4584 [2022-11-22 00:15:23,369 INFO L226 Difference]: Without dead ends: 4584 [2022-11-22 00:15:23,370 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 [2022-11-22 00:15:23,372 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:23,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 00:15:23,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2022-11-22 00:15:23,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4584. [2022-11-22 00:15:23,483 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) [2022-11-22 00:15:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 14569 transitions. [2022-11-22 00:15:23,502 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 14569 transitions. Word has length 3 [2022-11-22 00:15:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:23,502 INFO L495 AbstractCegarLoop]: Abstraction has 4584 states and 14569 transitions. [2022-11-22 00:15:23,502 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) [2022-11-22 00:15:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 14569 transitions. [2022-11-22 00:15:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:23,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:23,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:23,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:15:23,504 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:23,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:23,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2638168, now seen corresponding path program 1 times [2022-11-22 00:15:23,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:23,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482146496] [2022-11-22 00:15:23,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:23,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:23,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:23,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482146496] [2022-11-22 00:15:23,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482146496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:23,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:23,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:23,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336373995] [2022-11-22 00:15:23,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:23,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:23,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:23,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:23,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:23,677 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) [2022-11-22 00:15:23,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:23,903 INFO L93 Difference]: Finished difference Result 3908 states and 12347 transitions. [2022-11-22 00:15:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:23,904 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 [2022-11-22 00:15:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:23,923 INFO L225 Difference]: With dead ends: 3908 [2022-11-22 00:15:23,923 INFO L226 Difference]: Without dead ends: 3908 [2022-11-22 00:15:23,923 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 [2022-11-22 00:15:23,924 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 [2022-11-22 00:15:23,924 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] [2022-11-22 00:15:23,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-11-22 00:15:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3908. [2022-11-22 00:15:24,008 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) [2022-11-22 00:15:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 12347 transitions. [2022-11-22 00:15:24,021 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 12347 transitions. Word has length 3 [2022-11-22 00:15:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:24,022 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 12347 transitions. [2022-11-22 00:15:24,022 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) [2022-11-22 00:15:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 12347 transitions. [2022-11-22 00:15:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:24,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:24,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:24,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:15:24,023 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:24,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:24,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2638169, now seen corresponding path program 1 times [2022-11-22 00:15:24,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:24,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702983905] [2022-11-22 00:15:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:24,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:24,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702983905] [2022-11-22 00:15:24,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702983905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:24,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:24,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:24,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972472160] [2022-11-22 00:15:24,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:24,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:24,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:24,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:24,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:24,222 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) [2022-11-22 00:15:24,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:24,433 INFO L93 Difference]: Finished difference Result 3284 states and 10301 transitions. [2022-11-22 00:15:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:24,434 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 [2022-11-22 00:15:24,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:24,450 INFO L225 Difference]: With dead ends: 3284 [2022-11-22 00:15:24,450 INFO L226 Difference]: Without dead ends: 3284 [2022-11-22 00:15:24,450 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 [2022-11-22 00:15:24,451 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:24,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:15:24,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2022-11-22 00:15:24,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 3284. [2022-11-22 00:15:24,521 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) [2022-11-22 00:15:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 10301 transitions. [2022-11-22 00:15:24,532 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 10301 transitions. Word has length 3 [2022-11-22 00:15:24,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:24,533 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 10301 transitions. [2022-11-22 00:15:24,533 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) [2022-11-22 00:15:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 10301 transitions. [2022-11-22 00:15:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:24,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:24,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:24,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 00:15:24,534 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:24,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:24,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2638186, now seen corresponding path program 1 times [2022-11-22 00:15:24,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:24,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368877370] [2022-11-22 00:15:24,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:24,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:24,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:24,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368877370] [2022-11-22 00:15:24,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368877370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:24,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:24,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:24,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131093046] [2022-11-22 00:15:24,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:24,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:24,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:24,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:24,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:24,715 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) [2022-11-22 00:15:24,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:24,920 INFO L93 Difference]: Finished difference Result 2712 states and 8431 transitions. [2022-11-22 00:15:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:24,920 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 [2022-11-22 00:15:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:24,933 INFO L225 Difference]: With dead ends: 2712 [2022-11-22 00:15:24,933 INFO L226 Difference]: Without dead ends: 2712 [2022-11-22 00:15:24,934 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 [2022-11-22 00:15:24,935 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 [2022-11-22 00:15:24,935 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] [2022-11-22 00:15:24,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-11-22 00:15:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2712. [2022-11-22 00:15:24,993 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) [2022-11-22 00:15:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 8431 transitions. [2022-11-22 00:15:25,002 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 8431 transitions. Word has length 3 [2022-11-22 00:15:25,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:25,002 INFO L495 AbstractCegarLoop]: Abstraction has 2712 states and 8431 transitions. [2022-11-22 00:15:25,002 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) [2022-11-22 00:15:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 8431 transitions. [2022-11-22 00:15:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:25,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:25,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:25,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 00:15:25,003 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:25,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:25,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2638170, now seen corresponding path program 1 times [2022-11-22 00:15:25,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:25,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403706930] [2022-11-22 00:15:25,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:25,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:25,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403706930] [2022-11-22 00:15:25,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403706930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:25,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:25,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:25,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752050335] [2022-11-22 00:15:25,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:25,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:25,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:25,060 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) [2022-11-22 00:15:25,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:25,271 INFO L93 Difference]: Finished difference Result 2188 states and 6721 transitions. [2022-11-22 00:15:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:25,272 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 [2022-11-22 00:15:25,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:25,282 INFO L225 Difference]: With dead ends: 2188 [2022-11-22 00:15:25,282 INFO L226 Difference]: Without dead ends: 2188 [2022-11-22 00:15:25,282 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 [2022-11-22 00:15:25,284 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 [2022-11-22 00:15:25,284 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] [2022-11-22 00:15:25,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-11-22 00:15:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-11-22 00:15:25,327 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) [2022-11-22 00:15:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 6721 transitions. [2022-11-22 00:15:25,335 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 6721 transitions. Word has length 3 [2022-11-22 00:15:25,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:25,335 INFO L495 AbstractCegarLoop]: Abstraction has 2188 states and 6721 transitions. [2022-11-22 00:15:25,335 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) [2022-11-22 00:15:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 6721 transitions. [2022-11-22 00:15:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:25,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:25,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:25,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 00:15:25,337 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:25,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:25,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2638187, now seen corresponding path program 1 times [2022-11-22 00:15:25,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:25,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173465701] [2022-11-22 00:15:25,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:25,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:25,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173465701] [2022-11-22 00:15:25,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173465701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:25,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:25,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690280998] [2022-11-22 00:15:25,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:25,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:25,485 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) [2022-11-22 00:15:25,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:25,652 INFO L93 Difference]: Finished difference Result 1732 states and 5243 transitions. [2022-11-22 00:15:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:25,653 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 [2022-11-22 00:15:25,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:25,662 INFO L225 Difference]: With dead ends: 1732 [2022-11-22 00:15:25,662 INFO L226 Difference]: Without dead ends: 1732 [2022-11-22 00:15:25,662 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 [2022-11-22 00:15:25,663 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-11-22 00:15:25,663 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] [2022-11-22 00:15:25,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2022-11-22 00:15:25,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1732. [2022-11-22 00:15:25,699 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) [2022-11-22 00:15:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 5243 transitions. [2022-11-22 00:15:25,705 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 5243 transitions. Word has length 3 [2022-11-22 00:15:25,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:25,705 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 5243 transitions. [2022-11-22 00:15:25,705 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) [2022-11-22 00:15:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 5243 transitions. [2022-11-22 00:15:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:25,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:25,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:25,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 00:15:25,707 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:25,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2638173, now seen corresponding path program 1 times [2022-11-22 00:15:25,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:25,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258973559] [2022-11-22 00:15:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:25,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:25,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258973559] [2022-11-22 00:15:25,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258973559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:25,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:25,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:25,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752755801] [2022-11-22 00:15:25,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:25,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:25,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:25,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:25,794 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) [2022-11-22 00:15:25,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:25,950 INFO L93 Difference]: Finished difference Result 1320 states and 3913 transitions. [2022-11-22 00:15:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:25,950 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 [2022-11-22 00:15:25,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:25,956 INFO L225 Difference]: With dead ends: 1320 [2022-11-22 00:15:25,956 INFO L226 Difference]: Without dead ends: 1320 [2022-11-22 00:15:25,956 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 [2022-11-22 00:15:25,957 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:25,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:15:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-11-22 00:15:25,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-11-22 00:15:25,981 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) [2022-11-22 00:15:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 3913 transitions. [2022-11-22 00:15:25,985 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 3913 transitions. Word has length 3 [2022-11-22 00:15:25,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:25,986 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 3913 transitions. [2022-11-22 00:15:25,986 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) [2022-11-22 00:15:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 3913 transitions. [2022-11-22 00:15:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:25,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:25,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:25,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 00:15:25,987 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2638174, now seen corresponding path program 1 times [2022-11-22 00:15:25,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:25,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220144553] [2022-11-22 00:15:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:26,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:26,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220144553] [2022-11-22 00:15:26,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220144553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:26,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:26,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:26,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97368933] [2022-11-22 00:15:26,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:26,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:26,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:26,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:26,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:26,145 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) [2022-11-22 00:15:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:26,286 INFO L93 Difference]: Finished difference Result 968 states and 2785 transitions. [2022-11-22 00:15:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:26,287 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 [2022-11-22 00:15:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:26,291 INFO L225 Difference]: With dead ends: 968 [2022-11-22 00:15:26,291 INFO L226 Difference]: Without dead ends: 968 [2022-11-22 00:15:26,291 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 [2022-11-22 00:15:26,292 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:26,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:15:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2022-11-22 00:15:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2022-11-22 00:15:26,310 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) [2022-11-22 00:15:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 2785 transitions. [2022-11-22 00:15:26,313 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 2785 transitions. Word has length 3 [2022-11-22 00:15:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:26,313 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 2785 transitions. [2022-11-22 00:15:26,313 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) [2022-11-22 00:15:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 2785 transitions. [2022-11-22 00:15:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:15:26,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:26,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:15:26,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 00:15:26,315 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:26,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:26,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2638175, now seen corresponding path program 1 times [2022-11-22 00:15:26,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:26,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522790116] [2022-11-22 00:15:26,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:26,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:26,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522790116] [2022-11-22 00:15:26,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522790116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:26,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:26,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:26,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325532430] [2022-11-22 00:15:26,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:26,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:26,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:26,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:26,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:26,445 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) [2022-11-22 00:15:26,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:26,575 INFO L93 Difference]: Finished difference Result 660 states and 1805 transitions. [2022-11-22 00:15:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:26,576 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 [2022-11-22 00:15:26,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:26,578 INFO L225 Difference]: With dead ends: 660 [2022-11-22 00:15:26,578 INFO L226 Difference]: Without dead ends: 658 [2022-11-22 00:15:26,579 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 [2022-11-22 00:15:26,579 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:26,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:15:26,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-11-22 00:15:26,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2022-11-22 00:15:26,591 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) [2022-11-22 00:15:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1800 transitions. [2022-11-22 00:15:26,593 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1800 transitions. Word has length 3 [2022-11-22 00:15:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:26,594 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 1800 transitions. [2022-11-22 00:15:26,594 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) [2022-11-22 00:15:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1800 transitions. [2022-11-22 00:15:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:26,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:26,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:26,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 00:15:26,595 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:26,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:26,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438623, now seen corresponding path program 1 times [2022-11-22 00:15:26,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:26,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940427557] [2022-11-22 00:15:26,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:26,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:26,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:26,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940427557] [2022-11-22 00:15:26,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940427557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:26,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:26,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:26,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542738752] [2022-11-22 00:15:26,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:26,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:26,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:26,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:26,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:26,704 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) [2022-11-22 00:15:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:26,826 INFO L93 Difference]: Finished difference Result 538 states and 1456 transitions. [2022-11-22 00:15:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:26,826 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 [2022-11-22 00:15:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:26,828 INFO L225 Difference]: With dead ends: 538 [2022-11-22 00:15:26,828 INFO L226 Difference]: Without dead ends: 538 [2022-11-22 00:15:26,829 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 [2022-11-22 00:15:26,829 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 [2022-11-22 00:15:26,829 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] [2022-11-22 00:15:26,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-22 00:15:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2022-11-22 00:15:26,839 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) [2022-11-22 00:15:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1456 transitions. [2022-11-22 00:15:26,841 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1456 transitions. Word has length 5 [2022-11-22 00:15:26,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:26,841 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 1456 transitions. [2022-11-22 00:15:26,841 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) [2022-11-22 00:15:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1456 transitions. [2022-11-22 00:15:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:26,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:26,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:26,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 00:15:26,842 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:26,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438638, now seen corresponding path program 1 times [2022-11-22 00:15:26,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:26,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541293329] [2022-11-22 00:15:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:26,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:26,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:26,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541293329] [2022-11-22 00:15:26,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541293329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:26,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:26,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:26,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118116100] [2022-11-22 00:15:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:26,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:26,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:26,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:26,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:26,909 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) [2022-11-22 00:15:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,020 INFO L93 Difference]: Finished difference Result 430 states and 1148 transitions. [2022-11-22 00:15:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,020 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 [2022-11-22 00:15:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,022 INFO L225 Difference]: With dead ends: 430 [2022-11-22 00:15:27,022 INFO L226 Difference]: Without dead ends: 430 [2022-11-22 00:15:27,022 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 [2022-11-22 00:15:27,023 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 [2022-11-22 00:15:27,023 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] [2022-11-22 00:15:27,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-22 00:15:27,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2022-11-22 00:15:27,030 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) [2022-11-22 00:15:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1148 transitions. [2022-11-22 00:15:27,032 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1148 transitions. Word has length 5 [2022-11-22 00:15:27,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,032 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 1148 transitions. [2022-11-22 00:15:27,032 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) [2022-11-22 00:15:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1148 transitions. [2022-11-22 00:15:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:27,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:27,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:27,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 00:15:27,033 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:27,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:27,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438620, now seen corresponding path program 1 times [2022-11-22 00:15:27,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:27,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240637737] [2022-11-22 00:15:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:27,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:27,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240637737] [2022-11-22 00:15:27,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240637737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:27,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:27,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:27,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808909692] [2022-11-22 00:15:27,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:27,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:27,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:27,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:27,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:27,155 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) [2022-11-22 00:15:27,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,252 INFO L93 Difference]: Finished difference Result 334 states and 876 transitions. [2022-11-22 00:15:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,253 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 [2022-11-22 00:15:27,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,254 INFO L225 Difference]: With dead ends: 334 [2022-11-22 00:15:27,255 INFO L226 Difference]: Without dead ends: 334 [2022-11-22 00:15:27,255 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 [2022-11-22 00:15:27,255 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 [2022-11-22 00:15:27,256 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] [2022-11-22 00:15:27,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-22 00:15:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2022-11-22 00:15:27,261 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) [2022-11-22 00:15:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 876 transitions. [2022-11-22 00:15:27,262 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 876 transitions. Word has length 5 [2022-11-22 00:15:27,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,263 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 876 transitions. [2022-11-22 00:15:27,263 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) [2022-11-22 00:15:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 876 transitions. [2022-11-22 00:15:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:27,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:27,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:27,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 00:15:27,265 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:27,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:27,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438635, now seen corresponding path program 1 times [2022-11-22 00:15:27,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:27,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561276451] [2022-11-22 00:15:27,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:27,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:27,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:27,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561276451] [2022-11-22 00:15:27,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561276451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:27,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:27,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:27,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493111150] [2022-11-22 00:15:27,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:27,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:27,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:27,320 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) [2022-11-22 00:15:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,404 INFO L93 Difference]: Finished difference Result 250 states and 640 transitions. [2022-11-22 00:15:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,404 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 [2022-11-22 00:15:27,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,405 INFO L225 Difference]: With dead ends: 250 [2022-11-22 00:15:27,405 INFO L226 Difference]: Without dead ends: 250 [2022-11-22 00:15:27,406 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 [2022-11-22 00:15:27,406 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 [2022-11-22 00:15:27,407 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] [2022-11-22 00:15:27,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-22 00:15:27,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-11-22 00:15:27,411 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) [2022-11-22 00:15:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 640 transitions. [2022-11-22 00:15:27,412 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 640 transitions. Word has length 5 [2022-11-22 00:15:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,412 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 640 transitions. [2022-11-22 00:15:27,412 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) [2022-11-22 00:15:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 640 transitions. [2022-11-22 00:15:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:27,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:27,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:27,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 00:15:27,413 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:27,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438632, now seen corresponding path program 1 times [2022-11-22 00:15:27,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:27,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730940666] [2022-11-22 00:15:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:27,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:27,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730940666] [2022-11-22 00:15:27,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730940666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:27,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:27,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720632824] [2022-11-22 00:15:27,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:27,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:27,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:27,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:27,479 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) [2022-11-22 00:15:27,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,554 INFO L93 Difference]: Finished difference Result 178 states and 440 transitions. [2022-11-22 00:15:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,554 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 [2022-11-22 00:15:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,555 INFO L225 Difference]: With dead ends: 178 [2022-11-22 00:15:27,555 INFO L226 Difference]: Without dead ends: 178 [2022-11-22 00:15:27,556 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 [2022-11-22 00:15:27,556 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 [2022-11-22 00:15:27,556 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] [2022-11-22 00:15:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-22 00:15:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-22 00:15:27,560 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) [2022-11-22 00:15:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 440 transitions. [2022-11-22 00:15:27,560 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 440 transitions. Word has length 5 [2022-11-22 00:15:27,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,561 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 440 transitions. [2022-11-22 00:15:27,561 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) [2022-11-22 00:15:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 440 transitions. [2022-11-22 00:15:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:27,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:27,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:27,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 00:15:27,562 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438629, now seen corresponding path program 1 times [2022-11-22 00:15:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:27,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885896578] [2022-11-22 00:15:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:27,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:27,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885896578] [2022-11-22 00:15:27,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885896578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:27,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:27,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:27,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347759754] [2022-11-22 00:15:27,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:27,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:27,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:27,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:27,623 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) [2022-11-22 00:15:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,714 INFO L93 Difference]: Finished difference Result 118 states and 276 transitions. [2022-11-22 00:15:27,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,715 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 [2022-11-22 00:15:27,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,716 INFO L225 Difference]: With dead ends: 118 [2022-11-22 00:15:27,716 INFO L226 Difference]: Without dead ends: 118 [2022-11-22 00:15:27,716 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 [2022-11-22 00:15:27,716 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 [2022-11-22 00:15:27,717 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] [2022-11-22 00:15:27,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-22 00:15:27,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-11-22 00:15:27,719 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) [2022-11-22 00:15:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 276 transitions. [2022-11-22 00:15:27,720 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 276 transitions. Word has length 5 [2022-11-22 00:15:27,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,720 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 276 transitions. [2022-11-22 00:15:27,720 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) [2022-11-22 00:15:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 276 transitions. [2022-11-22 00:15:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:27,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:27,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:27,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 00:15:27,721 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:27,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438626, now seen corresponding path program 1 times [2022-11-22 00:15:27,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:27,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087807366] [2022-11-22 00:15:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:27,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:27,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:27,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087807366] [2022-11-22 00:15:27,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087807366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:27,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:27,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:27,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498068350] [2022-11-22 00:15:27,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:27,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:27,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:27,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:27,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:27,819 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) [2022-11-22 00:15:27,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,875 INFO L93 Difference]: Finished difference Result 70 states and 148 transitions. [2022-11-22 00:15:27,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,875 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 [2022-11-22 00:15:27,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,876 INFO L225 Difference]: With dead ends: 70 [2022-11-22 00:15:27,876 INFO L226 Difference]: Without dead ends: 70 [2022-11-22 00:15:27,876 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 [2022-11-22 00:15:27,876 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-11-22 00:15:27,877 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] [2022-11-22 00:15:27,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-22 00:15:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-22 00:15:27,878 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) [2022-11-22 00:15:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 148 transitions. [2022-11-22 00:15:27,879 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 148 transitions. Word has length 5 [2022-11-22 00:15:27,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,879 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 148 transitions. [2022-11-22 00:15:27,879 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) [2022-11-22 00:15:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2022-11-22 00:15:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:15:27,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:27,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:15:27,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 00:15:27,880 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 144 more)] === [2022-11-22 00:15:27,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:27,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1759438641, now seen corresponding path program 1 times [2022-11-22 00:15:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:27,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975087179] [2022-11-22 00:15:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:27,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:15:27,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:27,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975087179] [2022-11-22 00:15:27,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975087179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:27,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:27,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:15:27,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022059767] [2022-11-22 00:15:27,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:27,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:15:27,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:15:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:15:27,937 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) [2022-11-22 00:15:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:27,992 INFO L93 Difference]: Finished difference Result 34 states and 56 transitions. [2022-11-22 00:15:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:15:27,993 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 [2022-11-22 00:15:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:27,993 INFO L225 Difference]: With dead ends: 34 [2022-11-22 00:15:27,993 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:15:27,994 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 [2022-11-22 00:15:27,994 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:27,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:15:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:15:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:15:27,995 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) [2022-11-22 00:15:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:15:27,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-22 00:15:27,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:27,996 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:15:27,996 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) [2022-11-22 00:15:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:15:27,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:15:27,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (146 of 147 remaining) [2022-11-22 00:15:27,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (145 of 147 remaining) [2022-11-22 00:15:27,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (144 of 147 remaining) [2022-11-22 00:15:27,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (143 of 147 remaining) [2022-11-22 00:15:27,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (142 of 147 remaining) [2022-11-22 00:15:27,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (141 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (140 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 147 remaining) [2022-11-22 00:15:28,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 147 remaining) [2022-11-22 00:15:28,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 147 remaining) [2022-11-22 00:15:28,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 147 remaining) [2022-11-22 00:15:28,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 147 remaining) [2022-11-22 00:15:28,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 147 remaining) [2022-11-22 00:15:28,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 147 remaining) [2022-11-22 00:15:28,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 147 remaining) [2022-11-22 00:15:28,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 147 remaining) [2022-11-22 00:15:28,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 147 remaining) [2022-11-22 00:15:28,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 147 remaining) [2022-11-22 00:15:28,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 147 remaining) [2022-11-22 00:15:28,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 147 remaining) [2022-11-22 00:15:28,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 147 remaining) [2022-11-22 00:15:28,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 147 remaining) [2022-11-22 00:15:28,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 147 remaining) [2022-11-22 00:15:28,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 147 remaining) [2022-11-22 00:15:28,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 147 remaining) [2022-11-22 00:15:28,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 147 remaining) [2022-11-22 00:15:28,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 147 remaining) [2022-11-22 00:15:28,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 147 remaining) [2022-11-22 00:15:28,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 147 remaining) [2022-11-22 00:15:28,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 147 remaining) [2022-11-22 00:15:28,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 147 remaining) [2022-11-22 00:15:28,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 147 remaining) [2022-11-22 00:15:28,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 147 remaining) [2022-11-22 00:15:28,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 147 remaining) [2022-11-22 00:15:28,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 147 remaining) [2022-11-22 00:15:28,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 147 remaining) [2022-11-22 00:15:28,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 147 remaining) [2022-11-22 00:15:28,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 147 remaining) [2022-11-22 00:15:28,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 147 remaining) [2022-11-22 00:15:28,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 147 remaining) [2022-11-22 00:15:28,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 147 remaining) [2022-11-22 00:15:28,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 147 remaining) [2022-11-22 00:15:28,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 147 remaining) [2022-11-22 00:15:28,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 147 remaining) [2022-11-22 00:15:28,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 147 remaining) [2022-11-22 00:15:28,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 147 remaining) [2022-11-22 00:15:28,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 147 remaining) [2022-11-22 00:15:28,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 147 remaining) [2022-11-22 00:15:28,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 147 remaining) [2022-11-22 00:15:28,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 147 remaining) [2022-11-22 00:15:28,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 147 remaining) [2022-11-22 00:15:28,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 147 remaining) [2022-11-22 00:15:28,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 147 remaining) [2022-11-22 00:15:28,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 147 remaining) [2022-11-22 00:15:28,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 147 remaining) [2022-11-22 00:15:28,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 147 remaining) [2022-11-22 00:15:28,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 147 remaining) [2022-11-22 00:15:28,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 147 remaining) [2022-11-22 00:15:28,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 147 remaining) [2022-11-22 00:15:28,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 147 remaining) [2022-11-22 00:15:28,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 147 remaining) [2022-11-22 00:15:28,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 147 remaining) [2022-11-22 00:15:28,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (74 of 147 remaining) [2022-11-22 00:15:28,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 147 remaining) [2022-11-22 00:15:28,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 147 remaining) [2022-11-22 00:15:28,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 147 remaining) [2022-11-22 00:15:28,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 147 remaining) [2022-11-22 00:15:28,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 147 remaining) [2022-11-22 00:15:28,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 147 remaining) [2022-11-22 00:15:28,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 147 remaining) [2022-11-22 00:15:28,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 147 remaining) [2022-11-22 00:15:28,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 147 remaining) [2022-11-22 00:15:28,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 147 remaining) [2022-11-22 00:15:28,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 147 remaining) [2022-11-22 00:15:28,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 147 remaining) [2022-11-22 00:15:28,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 147 remaining) [2022-11-22 00:15:28,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 147 remaining) [2022-11-22 00:15:28,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 147 remaining) [2022-11-22 00:15:28,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 147 remaining) [2022-11-22 00:15:28,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 147 remaining) [2022-11-22 00:15:28,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 147 remaining) [2022-11-22 00:15:28,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 147 remaining) [2022-11-22 00:15:28,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 147 remaining) [2022-11-22 00:15:28,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 147 remaining) [2022-11-22 00:15:28,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 147 remaining) [2022-11-22 00:15:28,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 147 remaining) [2022-11-22 00:15:28,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 147 remaining) [2022-11-22 00:15:28,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 147 remaining) [2022-11-22 00:15:28,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 147 remaining) [2022-11-22 00:15:28,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 147 remaining) [2022-11-22 00:15:28,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 147 remaining) [2022-11-22 00:15:28,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 147 remaining) [2022-11-22 00:15:28,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 147 remaining) [2022-11-22 00:15:28,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 147 remaining) [2022-11-22 00:15:28,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 147 remaining) [2022-11-22 00:15:28,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 147 remaining) [2022-11-22 00:15:28,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 147 remaining) [2022-11-22 00:15:28,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 147 remaining) [2022-11-22 00:15:28,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 147 remaining) [2022-11-22 00:15:28,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 147 remaining) [2022-11-22 00:15:28,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 147 remaining) [2022-11-22 00:15:28,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 147 remaining) [2022-11-22 00:15:28,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 147 remaining) [2022-11-22 00:15:28,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 147 remaining) [2022-11-22 00:15:28,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 147 remaining) [2022-11-22 00:15:28,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 147 remaining) [2022-11-22 00:15:28,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 147 remaining) [2022-11-22 00:15:28,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 147 remaining) [2022-11-22 00:15:28,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 147 remaining) [2022-11-22 00:15:28,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 147 remaining) [2022-11-22 00:15:28,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 147 remaining) [2022-11-22 00:15:28,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 147 remaining) [2022-11-22 00:15:28,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 147 remaining) [2022-11-22 00:15:28,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 147 remaining) [2022-11-22 00:15:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 147 remaining) [2022-11-22 00:15:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 147 remaining) [2022-11-22 00:15:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 147 remaining) [2022-11-22 00:15:28,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 147 remaining) [2022-11-22 00:15:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 147 remaining) [2022-11-22 00:15:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 147 remaining) [2022-11-22 00:15:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 147 remaining) [2022-11-22 00:15:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 147 remaining) [2022-11-22 00:15:28,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 147 remaining) [2022-11-22 00:15:28,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 147 remaining) [2022-11-22 00:15:28,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 147 remaining) [2022-11-22 00:15:28,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 147 remaining) [2022-11-22 00:15:28,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 147 remaining) [2022-11-22 00:15:28,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 147 remaining) [2022-11-22 00:15:28,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 147 remaining) [2022-11-22 00:15:28,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 147 remaining) [2022-11-22 00:15:28,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 147 remaining) [2022-11-22 00:15:28,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 147 remaining) [2022-11-22 00:15:28,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 147 remaining) [2022-11-22 00:15:28,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 147 remaining) [2022-11-22 00:15:28,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 147 remaining) [2022-11-22 00:15:28,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 147 remaining) [2022-11-22 00:15:28,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 147 remaining) [2022-11-22 00:15:28,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 00:15:28,035 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] [2022-11-22 00:15:28,043 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 00:15:28,043 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:15:28,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:15:28 BasicIcfg [2022-11-22 00:15:28,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:15:28,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:15:28,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:15:28,059 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:15:28,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:14:01" (3/4) ... [2022-11-22 00:15:28,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:15:28,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-22 00:15:28,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-22 00:15:28,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-22 00:15:28,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-22 00:15:28,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 00:15:28,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:15:28,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:15:28,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:15:28,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:15:28,123 INFO L158 Benchmark]: Toolchain (without parser) took 92713.44ms. Allocated memory was 125.8MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 56.8MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 277.0MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,123 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:15:28,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.55ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 56.6MB in the beginning and 118.9MB in the end (delta: -62.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.45ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 115.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,124 INFO L158 Benchmark]: Boogie Preprocessor took 42.85ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,125 INFO L158 Benchmark]: RCFGBuilder took 6011.35ms. Allocated memory was 153.1MB in the beginning and 306.2MB in the end (delta: 153.1MB). Free memory was 113.1MB in the beginning and 191.7MB in the end (delta: -78.6MB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,127 INFO L158 Benchmark]: TraceAbstraction took 86068.11ms. Allocated memory was 306.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 190.7MB in the beginning and 1.1GB in the end (delta: -951.5MB). Peak memory consumption was 227.1MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,128 INFO L158 Benchmark]: Witness Printer took 63.97ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:15:28,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.55ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 56.6MB in the beginning and 118.9MB in the end (delta: -62.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.45ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 115.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.85ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6011.35ms. Allocated memory was 153.1MB in the beginning and 306.2MB in the end (delta: 153.1MB). Free memory was 113.1MB in the beginning and 191.7MB in the end (delta: -78.6MB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. * TraceAbstraction took 86068.11ms. Allocated memory was 306.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 190.7MB in the beginning and 1.1GB in the end (delta: -951.5MB). Peak memory consumption was 227.1MB. Max. memory is 16.1GB. * Witness Printer took 63.97ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB 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: 70.0s, 212 PlacesBefore, 101 PlacesAfterwards, 204 TransitionsBefore, 91 TransitionsAfterwards, 6318 CoEnabledTransitionPairs, 7 FixpointIterations, 95 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 122 TotalNumberOfCompositions, 4383 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4383, independent: 4383, independent conditional: 0, independent unconditional: 4383, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1369, independent: 1369, independent conditional: 0, independent unconditional: 1369, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1369, independent: 1369, independent conditional: 0, independent unconditional: 1369, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4383, independent: 3014, independent conditional: 0, independent unconditional: 3014, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1369, unknown conditional: 0, unknown unconditional: 1369] , 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, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown 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: 84.6s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 71.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 824 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 824 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 4.0s 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: 2.8s AutomataMinimizationTime, 24 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s 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! [2022-11-22 00:15:28,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30e406ec-ec4a-4847-b166-1ae219f92e28/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE