./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- 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-6b4ec56 [2022-11-20 20:12:07,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:12:07,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:12:07,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:12:08,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:12:08,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:12:08,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:12:08,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:12:08,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:12:08,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:12:08,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:12:08,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:12:08,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:12:08,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:12:08,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:12:08,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:12:08,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:12:08,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:12:08,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:12:08,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:12:08,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:12:08,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:12:08,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:12:08,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:12:08,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:12:08,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:12:08,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:12:08,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:12:08,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:12:08,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:12:08,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:12:08,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:12:08,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:12:08,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:12:08,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:12:08,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:12:08,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:12:08,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:12:08,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:12:08,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:12:08,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:12:08,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 20:12:08,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:12:08,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:12:08,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:12:08,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:12:08,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:12:08,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:12:08,085 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:12:08,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:12:08,085 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:12:08,086 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:12:08,086 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:12:08,086 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:12:08,086 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:12:08,087 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:12:08,087 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:12:08,087 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:12:08,087 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:12:08,088 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:12:08,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:12:08,089 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:12:08,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:12:08,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:12:08,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:12:08,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:12:08,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:12:08,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:12:08,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:12:08,091 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 20:12:08,091 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:12:08,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:12:08,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:12:08,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:12:08,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:12:08,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:12:08,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:12:08,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:12:08,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:12:08,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:12:08,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:12:08,093 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:12:08,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:12:08,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:12:08,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:12:08,094 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-20 20:12:08,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:12:08,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:12:08,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:12:08,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:12:08,395 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:12:08,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 20:12:11,415 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:12:11,710 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:12:11,711 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 20:12:11,725 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/data/16ba22667/550f07f5c6864f13a345a01fa7d558a4/FLAG0e546898a [2022-11-20 20:12:11,744 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/data/16ba22667/550f07f5c6864f13a345a01fa7d558a4 [2022-11-20 20:12:11,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:12:11,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:12:11,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:12:11,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:12:11,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:12:11,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:12:11" (1/1) ... [2022-11-20 20:12:11,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0464bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:11, skipping insertion in model container [2022-11-20 20:12:11,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:12:11" (1/1) ... [2022-11-20 20:12:11,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:12:11,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:12:12,292 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 20:12:12,304 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 20:12:12,313 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 20:12:12,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:12:12,339 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:12:12,399 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 20:12:12,413 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 20:12:12,415 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_29c0d208-9744-4d79-9100-3c4e6e4dba4e/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 20:12:12,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:12:12,472 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:12:12,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12 WrapperNode [2022-11-20 20:12:12,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:12:12,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:12:12,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:12:12,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:12:12,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,555 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 250 [2022-11-20 20:12:12,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:12:12,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:12:12,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:12:12,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:12:12,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:12:12,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:12:12,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:12:12,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:12:12,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (1/1) ... [2022-11-20 20:12:12,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:12:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:12:12,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:12:12,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:12:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:12:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 20:12:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 20:12:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 20:12:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 20:12:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:12:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 20:12:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:12:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:12:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:12:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:12:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:12:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:12:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:12:12,709 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:12:12,860 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:12:12,862 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:12:13,366 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:12:13,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:12:13,377 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:12:13,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:12:13 BoogieIcfgContainer [2022-11-20 20:12:13,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:12:13,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:12:13,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:12:13,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:12:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:12:11" (1/3) ... [2022-11-20 20:12:13,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699de849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:12:13, skipping insertion in model container [2022-11-20 20:12:13,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:12:12" (2/3) ... [2022-11-20 20:12:13,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699de849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:12:13, skipping insertion in model container [2022-11-20 20:12:13,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:12:13" (3/3) ... [2022-11-20 20:12:13,390 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-20 20:12:13,399 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 20:12:13,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:12:13,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-20 20:12:13,412 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 20:12:13,588 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 20:12:13,646 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 20:12:13,666 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 298 transitions, 612 flow [2022-11-20 20:12:13,669 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 298 transitions, 612 flow [2022-11-20 20:12:13,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 298 transitions, 612 flow [2022-11-20 20:12:13,809 INFO L130 PetriNetUnfolder]: 13/296 cut-off events. [2022-11-20 20:12:13,809 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 20:12:13,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 296 events. 13/296 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 785 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2022-11-20 20:12:13,831 INFO L119 LiptonReduction]: Number of co-enabled transitions 23022 [2022-11-20 20:12:34,846 INFO L134 LiptonReduction]: Checked pairs total: 181724 [2022-11-20 20:12:34,847 INFO L136 LiptonReduction]: Total number of compositions: 355 [2022-11-20 20:12:34,855 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 111 places, 114 transitions, 244 flow [2022-11-20 20:12:35,350 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12301 states, 11923 states have (on average 3.1534009896838042) internal successors, (37598), 12300 states have internal predecessors, (37598), 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) [2022-11-20 20:12:35,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:12:35,392 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;@24004c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:12:35,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-20 20:12:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 12301 states, 11923 states have (on average 3.1534009896838042) internal successors, (37598), 12300 states have internal predecessors, (37598), 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) [2022-11-20 20:12:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-20 20:12:35,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:35,436 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-20 20:12:35,437 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:35,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1176, now seen corresponding path program 1 times [2022-11-20 20:12:35,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:35,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610938497] [2022-11-20 20:12:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:35,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:35,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610938497] [2022-11-20 20:12:35,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610938497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:35,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:35,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-20 20:12:35,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039249375] [2022-11-20 20:12:35,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:35,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:12:35,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:35,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:12:35,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:12:35,650 INFO L87 Difference]: Start difference. First operand has 12301 states, 11923 states have (on average 3.1534009896838042) internal successors, (37598), 12300 states have internal predecessors, (37598), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-20 20:12:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:35,988 INFO L93 Difference]: Finished difference Result 8628 states and 25915 transitions. [2022-11-20 20:12:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:12:35,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-11-20 20:12:35,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:36,080 INFO L225 Difference]: With dead ends: 8628 [2022-11-20 20:12:36,081 INFO L226 Difference]: Without dead ends: 8627 [2022-11-20 20:12:36,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:12:36,085 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:36,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:36,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8627 states. [2022-11-20 20:12:36,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8627 to 8627. [2022-11-20 20:12:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8627 states, 8523 states have (on average 3.0403613751026635) internal successors, (25913), 8626 states have internal predecessors, (25913), 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) [2022-11-20 20:12:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8627 states to 8627 states and 25913 transitions. [2022-11-20 20:12:36,601 INFO L78 Accepts]: Start accepts. Automaton has 8627 states and 25913 transitions. Word has length 1 [2022-11-20 20:12:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:36,601 INFO L495 AbstractCegarLoop]: Abstraction has 8627 states and 25913 transitions. [2022-11-20 20:12:36,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-20 20:12:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 8627 states and 25913 transitions. [2022-11-20 20:12:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 20:12:36,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:36,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 20:12:36,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:12:36,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:36,608 INFO L85 PathProgramCache]: Analyzing trace with hash 544470775, now seen corresponding path program 1 times [2022-11-20 20:12:36,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:36,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749037811] [2022-11-20 20:12:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:36,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:36,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749037811] [2022-11-20 20:12:36,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749037811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:36,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:36,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:36,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000548843] [2022-11-20 20:12:36,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:36,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:36,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:36,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:36,774 INFO L87 Difference]: Start difference. First operand 8627 states and 25913 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-20 20:12:37,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:37,209 INFO L93 Difference]: Finished difference Result 15140 states and 45596 transitions. [2022-11-20 20:12:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:37,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-20 20:12:37,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:37,319 INFO L225 Difference]: With dead ends: 15140 [2022-11-20 20:12:37,319 INFO L226 Difference]: Without dead ends: 15140 [2022-11-20 20:12:37,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:37,321 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 75 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:37,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 88 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:12:37,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15140 states. [2022-11-20 20:12:37,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15140 to 8841. [2022-11-20 20:12:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8841 states, 8737 states have (on average 3.064896417534623) internal successors, (26778), 8840 states have internal predecessors, (26778), 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) [2022-11-20 20:12:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 26778 transitions. [2022-11-20 20:12:37,911 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 26778 transitions. Word has length 6 [2022-11-20 20:12:37,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:37,911 INFO L495 AbstractCegarLoop]: Abstraction has 8841 states and 26778 transitions. [2022-11-20 20:12:37,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-20 20:12:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 26778 transitions. [2022-11-20 20:12:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 20:12:37,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:37,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:37,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:12:37,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1572687596, now seen corresponding path program 1 times [2022-11-20 20:12:37,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:37,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336548478] [2022-11-20 20:12:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:37,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:38,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:38,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336548478] [2022-11-20 20:12:38,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336548478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:38,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:38,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293470939] [2022-11-20 20:12:38,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:38,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:38,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:38,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:38,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:38,065 INFO L87 Difference]: Start difference. First operand 8841 states and 26778 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 20:12:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:38,632 INFO L93 Difference]: Finished difference Result 14467 states and 44005 transitions. [2022-11-20 20:12:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:38,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-20 20:12:38,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:38,715 INFO L225 Difference]: With dead ends: 14467 [2022-11-20 20:12:38,716 INFO L226 Difference]: Without dead ends: 14467 [2022-11-20 20:12:38,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:38,717 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 72 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:38,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 92 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:12:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14467 states. [2022-11-20 20:12:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14467 to 9096. [2022-11-20 20:12:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9096 states, 8994 states have (on average 3.0900600400266844) internal successors, (27792), 9095 states have internal predecessors, (27792), 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) [2022-11-20 20:12:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9096 states to 9096 states and 27792 transitions. [2022-11-20 20:12:39,363 INFO L78 Accepts]: Start accepts. Automaton has 9096 states and 27792 transitions. Word has length 8 [2022-11-20 20:12:39,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:39,364 INFO L495 AbstractCegarLoop]: Abstraction has 9096 states and 27792 transitions. [2022-11-20 20:12:39,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-20 20:12:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9096 states and 27792 transitions. [2022-11-20 20:12:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 20:12:39,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:39,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:39,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:12:39,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:39,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:39,368 INFO L85 PathProgramCache]: Analyzing trace with hash -475673869, now seen corresponding path program 1 times [2022-11-20 20:12:39,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:39,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008363664] [2022-11-20 20:12:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:39,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:39,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:39,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008363664] [2022-11-20 20:12:39,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008363664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:39,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:39,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:39,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243327036] [2022-11-20 20:12:39,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:39,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:39,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:39,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:39,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:39,493 INFO L87 Difference]: Start difference. First operand 9096 states and 27792 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-20 20:12:39,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:39,892 INFO L93 Difference]: Finished difference Result 9696 states and 29326 transitions. [2022-11-20 20:12:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:39,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-20 20:12:39,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:39,961 INFO L225 Difference]: With dead ends: 9696 [2022-11-20 20:12:39,961 INFO L226 Difference]: Without dead ends: 9696 [2022-11-20 20:12:39,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:39,967 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:39,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 53 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:12:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9696 states. [2022-11-20 20:12:40,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9696 to 9096. [2022-11-20 20:12:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9096 states, 8996 states have (on average 3.060137839039573) internal successors, (27529), 9095 states have internal predecessors, (27529), 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) [2022-11-20 20:12:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9096 states to 9096 states and 27529 transitions. [2022-11-20 20:12:40,366 INFO L78 Accepts]: Start accepts. Automaton has 9096 states and 27529 transitions. Word has length 10 [2022-11-20 20:12:40,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:40,366 INFO L495 AbstractCegarLoop]: Abstraction has 9096 states and 27529 transitions. [2022-11-20 20:12:40,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-20 20:12:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 9096 states and 27529 transitions. [2022-11-20 20:12:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 20:12:40,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:40,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:40,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:12:40,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:40,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash -571670973, now seen corresponding path program 1 times [2022-11-20 20:12:40,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:40,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233772866] [2022-11-20 20:12:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:40,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:40,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:40,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233772866] [2022-11-20 20:12:40,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233772866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:40,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:40,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:12:40,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684681923] [2022-11-20 20:12:40,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:40,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:12:40,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:40,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:12:40,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:12:40,860 INFO L87 Difference]: Start difference. First operand 9096 states and 27529 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-11-20 20:12:41,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:41,576 INFO L93 Difference]: Finished difference Result 14652 states and 43917 transitions. [2022-11-20 20:12:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:12:41,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2022-11-20 20:12:41,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:41,631 INFO L225 Difference]: With dead ends: 14652 [2022-11-20 20:12:41,632 INFO L226 Difference]: Without dead ends: 14652 [2022-11-20 20:12:41,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:12:41,633 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 281 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:41,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 236 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 20:12:41,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14652 states. [2022-11-20 20:12:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14652 to 13369. [2022-11-20 20:12:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13369 states, 13269 states have (on average 3.099932172733439) internal successors, (41133), 13368 states have internal predecessors, (41133), 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) [2022-11-20 20:12:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13369 states to 13369 states and 41133 transitions. [2022-11-20 20:12:42,235 INFO L78 Accepts]: Start accepts. Automaton has 13369 states and 41133 transitions. Word has length 10 [2022-11-20 20:12:42,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:42,235 INFO L495 AbstractCegarLoop]: Abstraction has 13369 states and 41133 transitions. [2022-11-20 20:12:42,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-11-20 20:12:42,236 INFO L276 IsEmpty]: Start isEmpty. Operand 13369 states and 41133 transitions. [2022-11-20 20:12:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 20:12:42,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:42,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:42,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:12:42,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:42,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:42,241 INFO L85 PathProgramCache]: Analyzing trace with hash -868347177, now seen corresponding path program 1 times [2022-11-20 20:12:42,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:42,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857482456] [2022-11-20 20:12:42,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:42,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:42,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857482456] [2022-11-20 20:12:42,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857482456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:42,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:42,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:42,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573658306] [2022-11-20 20:12:42,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:42,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:42,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:42,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:42,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:42,291 INFO L87 Difference]: Start difference. First operand 13369 states and 41133 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-20 20:12:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:42,543 INFO L93 Difference]: Finished difference Result 13943 states and 42881 transitions. [2022-11-20 20:12:42,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:42,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-11-20 20:12:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:42,607 INFO L225 Difference]: With dead ends: 13943 [2022-11-20 20:12:42,607 INFO L226 Difference]: Without dead ends: 13943 [2022-11-20 20:12:42,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:42,608 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:42,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 85 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:42,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13943 states. [2022-11-20 20:12:43,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13943 to 13631. [2022-11-20 20:12:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13631 states, 13535 states have (on average 3.0982637606206134) internal successors, (41935), 13630 states have internal predecessors, (41935), 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) [2022-11-20 20:12:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13631 states to 13631 states and 41935 transitions. [2022-11-20 20:12:43,200 INFO L78 Accepts]: Start accepts. Automaton has 13631 states and 41935 transitions. Word has length 12 [2022-11-20 20:12:43,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:43,200 INFO L495 AbstractCegarLoop]: Abstraction has 13631 states and 41935 transitions. [2022-11-20 20:12:43,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-20 20:12:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 13631 states and 41935 transitions. [2022-11-20 20:12:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 20:12:43,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:43,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:43,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:12:43,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:43,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:43,204 INFO L85 PathProgramCache]: Analyzing trace with hash -867912385, now seen corresponding path program 1 times [2022-11-20 20:12:43,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:43,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819561098] [2022-11-20 20:12:43,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:43,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:43,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819561098] [2022-11-20 20:12:43,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819561098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:43,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:43,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832699797] [2022-11-20 20:12:43,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:43,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:43,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:43,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:43,369 INFO L87 Difference]: Start difference. First operand 13631 states and 41935 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-20 20:12:43,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:43,823 INFO L93 Difference]: Finished difference Result 13845 states and 42573 transitions. [2022-11-20 20:12:43,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:43,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-11-20 20:12:43,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:43,876 INFO L225 Difference]: With dead ends: 13845 [2022-11-20 20:12:43,876 INFO L226 Difference]: Without dead ends: 13845 [2022-11-20 20:12:43,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:43,878 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 35 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:43,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 70 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:12:43,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13845 states. [2022-11-20 20:12:44,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13845 to 13845. [2022-11-20 20:12:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13845 states, 13749 states have (on average 3.0964433777001963) internal successors, (42573), 13844 states have internal predecessors, (42573), 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) [2022-11-20 20:12:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13845 states to 13845 states and 42573 transitions. [2022-11-20 20:12:44,375 INFO L78 Accepts]: Start accepts. Automaton has 13845 states and 42573 transitions. Word has length 12 [2022-11-20 20:12:44,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:44,375 INFO L495 AbstractCegarLoop]: Abstraction has 13845 states and 42573 transitions. [2022-11-20 20:12:44,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-20 20:12:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 13845 states and 42573 transitions. [2022-11-20 20:12:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 20:12:44,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:44,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:44,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 20:12:44,378 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1702194480, now seen corresponding path program 1 times [2022-11-20 20:12:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:44,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105715383] [2022-11-20 20:12:44,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:44,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:44,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:44,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105715383] [2022-11-20 20:12:44,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105715383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:44,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:44,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:44,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377349287] [2022-11-20 20:12:44,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:44,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:44,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:44,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:44,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:44,443 INFO L87 Difference]: Start difference. First operand 13845 states and 42573 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-20 20:12:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:44,978 INFO L93 Difference]: Finished difference Result 25181 states and 77859 transitions. [2022-11-20 20:12:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:44,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-20 20:12:44,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:45,097 INFO L225 Difference]: With dead ends: 25181 [2022-11-20 20:12:45,097 INFO L226 Difference]: Without dead ends: 25181 [2022-11-20 20:12:45,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:45,100 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 79 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:45,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 95 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:12:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25181 states. [2022-11-20 20:12:45,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25181 to 14177. [2022-11-20 20:12:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14177 states, 14085 states have (on average 3.0916577919772807) internal successors, (43546), 14176 states have internal predecessors, (43546), 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) [2022-11-20 20:12:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14177 states to 14177 states and 43546 transitions. [2022-11-20 20:12:45,733 INFO L78 Accepts]: Start accepts. Automaton has 14177 states and 43546 transitions. Word has length 13 [2022-11-20 20:12:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:45,734 INFO L495 AbstractCegarLoop]: Abstraction has 14177 states and 43546 transitions. [2022-11-20 20:12:45,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-20 20:12:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 14177 states and 43546 transitions. [2022-11-20 20:12:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 20:12:45,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:45,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:45,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 20:12:45,738 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:45,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:45,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1228401590, now seen corresponding path program 1 times [2022-11-20 20:12:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:45,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534612037] [2022-11-20 20:12:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:45,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:45,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534612037] [2022-11-20 20:12:45,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534612037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:45,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:45,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:12:45,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303746784] [2022-11-20 20:12:45,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:45,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:45,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:45,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:45,955 INFO L87 Difference]: Start difference. First operand 14177 states and 43546 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-20 20:12:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:46,171 INFO L93 Difference]: Finished difference Result 14643 states and 44934 transitions. [2022-11-20 20:12:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:46,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2022-11-20 20:12:46,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:46,210 INFO L225 Difference]: With dead ends: 14643 [2022-11-20 20:12:46,210 INFO L226 Difference]: Without dead ends: 14643 [2022-11-20 20:12:46,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:46,211 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:46,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 98 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:46,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14643 states. [2022-11-20 20:12:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14643 to 14643. [2022-11-20 20:12:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14643 states, 14551 states have (on average 3.0880351865851146) internal successors, (44934), 14642 states have internal predecessors, (44934), 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) [2022-11-20 20:12:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14643 states to 14643 states and 44934 transitions. [2022-11-20 20:12:46,659 INFO L78 Accepts]: Start accepts. Automaton has 14643 states and 44934 transitions. Word has length 14 [2022-11-20 20:12:46,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:46,659 INFO L495 AbstractCegarLoop]: Abstraction has 14643 states and 44934 transitions. [2022-11-20 20:12:46,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-20 20:12:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 14643 states and 44934 transitions. [2022-11-20 20:12:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:12:46,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:46,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:46,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 20:12:46,663 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:46,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:46,664 INFO L85 PathProgramCache]: Analyzing trace with hash -341846337, now seen corresponding path program 1 times [2022-11-20 20:12:46,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:46,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217381066] [2022-11-20 20:12:46,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:46,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:46,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:46,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217381066] [2022-11-20 20:12:46,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217381066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:46,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:46,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174742236] [2022-11-20 20:12:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:46,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:46,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:46,719 INFO L87 Difference]: Start difference. First operand 14643 states and 44934 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-20 20:12:46,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:46,950 INFO L93 Difference]: Finished difference Result 15193 states and 46612 transitions. [2022-11-20 20:12:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:47,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2022-11-20 20:12:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:47,279 INFO L225 Difference]: With dead ends: 15193 [2022-11-20 20:12:47,280 INFO L226 Difference]: Without dead ends: 15193 [2022-11-20 20:12:47,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:47,281 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:47,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 83 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:47,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15193 states. [2022-11-20 20:12:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15193 to 14881. [2022-11-20 20:12:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14881 states, 14795 states have (on average 3.0865833051706657) internal successors, (45666), 14880 states have internal predecessors, (45666), 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) [2022-11-20 20:12:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14881 states to 14881 states and 45666 transitions. [2022-11-20 20:12:47,753 INFO L78 Accepts]: Start accepts. Automaton has 14881 states and 45666 transitions. Word has length 15 [2022-11-20 20:12:47,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:47,753 INFO L495 AbstractCegarLoop]: Abstraction has 14881 states and 45666 transitions. [2022-11-20 20:12:47,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-20 20:12:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 14881 states and 45666 transitions. [2022-11-20 20:12:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:12:47,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:47,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:47,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 20:12:47,757 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:47,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash 757089312, now seen corresponding path program 1 times [2022-11-20 20:12:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:47,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204896408] [2022-11-20 20:12:47,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:47,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:47,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204896408] [2022-11-20 20:12:47,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204896408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:47,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:47,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:47,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972408602] [2022-11-20 20:12:47,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:47,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:47,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:47,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:47,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:47,893 INFO L87 Difference]: Start difference. First operand 14881 states and 45666 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-20 20:12:48,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:48,370 INFO L93 Difference]: Finished difference Result 27335 states and 84117 transitions. [2022-11-20 20:12:48,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:48,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2022-11-20 20:12:48,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:48,648 INFO L225 Difference]: With dead ends: 27335 [2022-11-20 20:12:48,648 INFO L226 Difference]: Without dead ends: 27335 [2022-11-20 20:12:48,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:48,649 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 70 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:48,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 83 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:12:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27335 states. [2022-11-20 20:12:49,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27335 to 15181. [2022-11-20 20:12:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15181 states, 15101 states have (on average 3.082312429640421) internal successors, (46546), 15180 states have internal predecessors, (46546), 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) [2022-11-20 20:12:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15181 states to 15181 states and 46546 transitions. [2022-11-20 20:12:49,059 INFO L78 Accepts]: Start accepts. Automaton has 15181 states and 46546 transitions. Word has length 15 [2022-11-20 20:12:49,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:49,059 INFO L495 AbstractCegarLoop]: Abstraction has 15181 states and 46546 transitions. [2022-11-20 20:12:49,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-20 20:12:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15181 states and 46546 transitions. [2022-11-20 20:12:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 20:12:49,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:49,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:49,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 20:12:49,063 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:49,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1234857234, now seen corresponding path program 1 times [2022-11-20 20:12:49,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:49,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072142625] [2022-11-20 20:12:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:49,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:49,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:49,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072142625] [2022-11-20 20:12:49,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072142625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:49,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:49,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:12:49,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847760825] [2022-11-20 20:12:49,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:49,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:12:49,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:49,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:12:49,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:12:49,324 INFO L87 Difference]: Start difference. First operand 15181 states and 46546 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-20 20:12:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:49,882 INFO L93 Difference]: Finished difference Result 15325 states and 46989 transitions. [2022-11-20 20:12:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:12:49,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2022-11-20 20:12:49,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:49,920 INFO L225 Difference]: With dead ends: 15325 [2022-11-20 20:12:49,920 INFO L226 Difference]: Without dead ends: 15325 [2022-11-20 20:12:49,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:12:49,921 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 111 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:49,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 83 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 20:12:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15325 states. [2022-11-20 20:12:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15325 to 15165. [2022-11-20 20:12:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15165 states, 15093 states have (on average 3.0826210826210825) internal successors, (46526), 15164 states have internal predecessors, (46526), 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) [2022-11-20 20:12:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15165 states to 15165 states and 46526 transitions. [2022-11-20 20:12:50,206 INFO L78 Accepts]: Start accepts. Automaton has 15165 states and 46526 transitions. Word has length 16 [2022-11-20 20:12:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:50,207 INFO L495 AbstractCegarLoop]: Abstraction has 15165 states and 46526 transitions. [2022-11-20 20:12:50,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-20 20:12:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 15165 states and 46526 transitions. [2022-11-20 20:12:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:12:50,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:50,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:50,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 20:12:50,211 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:50,211 INFO L85 PathProgramCache]: Analyzing trace with hash -411876579, now seen corresponding path program 1 times [2022-11-20 20:12:50,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:50,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744317814] [2022-11-20 20:12:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:50,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:50,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744317814] [2022-11-20 20:12:50,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744317814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:50,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:50,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:12:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923935107] [2022-11-20 20:12:50,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:50,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:50,260 INFO L87 Difference]: Start difference. First operand 15165 states and 46526 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-20 20:12:50,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:50,772 INFO L93 Difference]: Finished difference Result 26775 states and 81867 transitions. [2022-11-20 20:12:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:50,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-11-20 20:12:50,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:50,846 INFO L225 Difference]: With dead ends: 26775 [2022-11-20 20:12:50,846 INFO L226 Difference]: Without dead ends: 26775 [2022-11-20 20:12:50,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:50,847 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 76 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:50,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 88 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:50,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-11-20 20:12:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 15349. [2022-11-20 20:12:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15349 states, 15277 states have (on average 3.081167768540944) internal successors, (47071), 15348 states have internal predecessors, (47071), 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) [2022-11-20 20:12:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15349 states to 15349 states and 47071 transitions. [2022-11-20 20:12:51,218 INFO L78 Accepts]: Start accepts. Automaton has 15349 states and 47071 transitions. Word has length 17 [2022-11-20 20:12:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:51,219 INFO L495 AbstractCegarLoop]: Abstraction has 15349 states and 47071 transitions. [2022-11-20 20:12:51,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-20 20:12:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 15349 states and 47071 transitions. [2022-11-20 20:12:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:12:51,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:51,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:51,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 20:12:51,223 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:51,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash 888953809, now seen corresponding path program 1 times [2022-11-20 20:12:51,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:51,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313120519] [2022-11-20 20:12:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:51,240 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:12:51,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229070136] [2022-11-20 20:12:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:51,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:12:51,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:12:51,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:12:51,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:12:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:51,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:12:51,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:12:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:51,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:12:51,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:51,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313120519] [2022-11-20 20:12:51,424 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:12:51,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229070136] [2022-11-20 20:12:51,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229070136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:51,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:51,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:51,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181953285] [2022-11-20 20:12:51,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:51,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:51,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:51,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:51,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:51,426 INFO L87 Difference]: Start difference. First operand 15349 states and 47071 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-20 20:12:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:51,889 INFO L93 Difference]: Finished difference Result 15827 states and 48527 transitions. [2022-11-20 20:12:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:51,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-11-20 20:12:51,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:51,959 INFO L225 Difference]: With dead ends: 15827 [2022-11-20 20:12:51,959 INFO L226 Difference]: Without dead ends: 15827 [2022-11-20 20:12:51,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:51,960 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 41 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:51,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 83 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15827 states. [2022-11-20 20:12:52,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15827 to 15527. [2022-11-20 20:12:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15527 states, 15463 states have (on average 3.0793507081420164) internal successors, (47616), 15526 states have internal predecessors, (47616), 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) [2022-11-20 20:12:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15527 states to 15527 states and 47616 transitions. [2022-11-20 20:12:52,408 INFO L78 Accepts]: Start accepts. Automaton has 15527 states and 47616 transitions. Word has length 17 [2022-11-20 20:12:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:52,408 INFO L495 AbstractCegarLoop]: Abstraction has 15527 states and 47616 transitions. [2022-11-20 20:12:52,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-20 20:12:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 15527 states and 47616 transitions. [2022-11-20 20:12:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:12:52,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:52,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:52,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 20:12:52,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 20:12:52,617 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:52,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1542427167, now seen corresponding path program 1 times [2022-11-20 20:12:52,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:52,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111111901] [2022-11-20 20:12:52,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:52,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:52,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:52,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111111901] [2022-11-20 20:12:52,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111111901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:52,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:52,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:12:52,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972914440] [2022-11-20 20:12:52,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:52,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:12:52,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:52,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:12:52,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:12:52,692 INFO L87 Difference]: Start difference. First operand 15527 states and 47616 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-20 20:12:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:53,095 INFO L93 Difference]: Finished difference Result 23281 states and 70930 transitions. [2022-11-20 20:12:53,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:12:53,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-11-20 20:12:53,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:53,221 INFO L225 Difference]: With dead ends: 23281 [2022-11-20 20:12:53,221 INFO L226 Difference]: Without dead ends: 23275 [2022-11-20 20:12:53,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:12:53,224 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 104 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:53,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 127 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:12:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23275 states. [2022-11-20 20:12:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23275 to 22299. [2022-11-20 20:12:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22299 states, 22229 states have (on average 3.1047730442215125) internal successors, (69016), 22298 states have internal predecessors, (69016), 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) [2022-11-20 20:12:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22299 states to 22299 states and 69016 transitions. [2022-11-20 20:12:53,991 INFO L78 Accepts]: Start accepts. Automaton has 22299 states and 69016 transitions. Word has length 17 [2022-11-20 20:12:53,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:53,992 INFO L495 AbstractCegarLoop]: Abstraction has 22299 states and 69016 transitions. [2022-11-20 20:12:53,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-20 20:12:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22299 states and 69016 transitions. [2022-11-20 20:12:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 20:12:53,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:53,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:53,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 20:12:53,996 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:53,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:53,997 INFO L85 PathProgramCache]: Analyzing trace with hash -575885078, now seen corresponding path program 1 times [2022-11-20 20:12:53,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:53,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605460284] [2022-11-20 20:12:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:53,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:54,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:54,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605460284] [2022-11-20 20:12:54,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605460284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:54,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:54,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:54,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383207341] [2022-11-20 20:12:54,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:54,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:54,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:54,030 INFO L87 Difference]: Start difference. First operand 22299 states and 69016 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-20 20:12:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:54,289 INFO L93 Difference]: Finished difference Result 22489 states and 69596 transitions. [2022-11-20 20:12:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:54,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2022-11-20 20:12:54,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:54,470 INFO L225 Difference]: With dead ends: 22489 [2022-11-20 20:12:54,470 INFO L226 Difference]: Without dead ends: 22489 [2022-11-20 20:12:54,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:54,471 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 38 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:54,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 84 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22489 states. [2022-11-20 20:12:55,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22489 to 22489. [2022-11-20 20:12:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22489 states, 22427 states have (on average 3.1032237927498105) internal successors, (69596), 22488 states have internal predecessors, (69596), 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) [2022-11-20 20:12:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22489 states to 22489 states and 69596 transitions. [2022-11-20 20:12:55,172 INFO L78 Accepts]: Start accepts. Automaton has 22489 states and 69596 transitions. Word has length 18 [2022-11-20 20:12:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:55,172 INFO L495 AbstractCegarLoop]: Abstraction has 22489 states and 69596 transitions. [2022-11-20 20:12:55,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-20 20:12:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 22489 states and 69596 transitions. [2022-11-20 20:12:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 20:12:55,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:55,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:55,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 20:12:55,178 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:55,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:55,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1554044334, now seen corresponding path program 1 times [2022-11-20 20:12:55,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:55,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339675627] [2022-11-20 20:12:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:55,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:55,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:55,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339675627] [2022-11-20 20:12:55,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339675627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:55,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:55,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:12:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886273283] [2022-11-20 20:12:55,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:55,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 20:12:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:55,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 20:12:55,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:12:55,625 INFO L87 Difference]: Start difference. First operand 22489 states and 69596 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-11-20 20:12:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:56,449 INFO L93 Difference]: Finished difference Result 20878 states and 64466 transitions. [2022-11-20 20:12:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:12:56,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 19 [2022-11-20 20:12:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:56,529 INFO L225 Difference]: With dead ends: 20878 [2022-11-20 20:12:56,530 INFO L226 Difference]: Without dead ends: 20878 [2022-11-20 20:12:56,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:12:56,531 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 412 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:56,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 253 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 20:12:56,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20878 states. [2022-11-20 20:12:57,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20878 to 14434. [2022-11-20 20:12:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14434 states, 14399 states have (on average 3.0520175012153623) internal successors, (43946), 14433 states have internal predecessors, (43946), 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) [2022-11-20 20:12:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14434 states to 14434 states and 43946 transitions. [2022-11-20 20:12:57,244 INFO L78 Accepts]: Start accepts. Automaton has 14434 states and 43946 transitions. Word has length 19 [2022-11-20 20:12:57,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:57,245 INFO L495 AbstractCegarLoop]: Abstraction has 14434 states and 43946 transitions. [2022-11-20 20:12:57,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-11-20 20:12:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 14434 states and 43946 transitions. [2022-11-20 20:12:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 20:12:57,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:57,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:57,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 20:12:57,252 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:57,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:57,253 INFO L85 PathProgramCache]: Analyzing trace with hash -396770712, now seen corresponding path program 1 times [2022-11-20 20:12:57,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:57,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509769608] [2022-11-20 20:12:57,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:57,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:57,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:57,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509769608] [2022-11-20 20:12:57,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509769608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:57,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:57,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:57,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189050901] [2022-11-20 20:12:57,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:57,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:57,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:57,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:57,325 INFO L87 Difference]: Start difference. First operand 14434 states and 43946 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-20 20:12:57,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:57,554 INFO L93 Difference]: Finished difference Result 14539 states and 44051 transitions. [2022-11-20 20:12:57,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:57,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2022-11-20 20:12:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:57,603 INFO L225 Difference]: With dead ends: 14539 [2022-11-20 20:12:57,603 INFO L226 Difference]: Without dead ends: 14539 [2022-11-20 20:12:57,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:57,604 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 50 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:57,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 90 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:57,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14539 states. [2022-11-20 20:12:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14539 to 14539. [2022-11-20 20:12:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14539 states, 14510 states have (on average 3.035906271536871) internal successors, (44051), 14538 states have internal predecessors, (44051), 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) [2022-11-20 20:12:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14539 states to 14539 states and 44051 transitions. [2022-11-20 20:12:57,925 INFO L78 Accepts]: Start accepts. Automaton has 14539 states and 44051 transitions. Word has length 21 [2022-11-20 20:12:57,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:57,925 INFO L495 AbstractCegarLoop]: Abstraction has 14539 states and 44051 transitions. [2022-11-20 20:12:57,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-20 20:12:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14539 states and 44051 transitions. [2022-11-20 20:12:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:12:57,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:57,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:57,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 20:12:57,931 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:57,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2035475615, now seen corresponding path program 1 times [2022-11-20 20:12:57,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:57,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093765912] [2022-11-20 20:12:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:57,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:58,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:58,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093765912] [2022-11-20 20:12:58,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093765912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:58,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:58,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:12:58,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385942438] [2022-11-20 20:12:58,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:58,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:58,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:58,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:58,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:58,006 INFO L87 Difference]: Start difference. First operand 14539 states and 44051 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-20 20:12:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:58,118 INFO L93 Difference]: Finished difference Result 2674 states and 6887 transitions. [2022-11-20 20:12:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:58,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2022-11-20 20:12:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:58,124 INFO L225 Difference]: With dead ends: 2674 [2022-11-20 20:12:58,125 INFO L226 Difference]: Without dead ends: 2632 [2022-11-20 20:12:58,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:58,126 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 66 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:58,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 42 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2022-11-20 20:12:58,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2392. [2022-11-20 20:12:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2387 states have (on average 2.5546711353162967) internal successors, (6098), 2391 states have internal predecessors, (6098), 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) [2022-11-20 20:12:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 6098 transitions. [2022-11-20 20:12:58,427 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 6098 transitions. Word has length 22 [2022-11-20 20:12:58,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:58,427 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 6098 transitions. [2022-11-20 20:12:58,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-20 20:12:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 6098 transitions. [2022-11-20 20:12:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:12:58,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:58,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:58,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 20:12:58,431 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:58,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:58,432 INFO L85 PathProgramCache]: Analyzing trace with hash 565436430, now seen corresponding path program 1 times [2022-11-20 20:12:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:58,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438839425] [2022-11-20 20:12:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:58,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:58,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:58,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438839425] [2022-11-20 20:12:58,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438839425] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:12:58,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810877088] [2022-11-20 20:12:58,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:58,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:12:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:12:58,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:12:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:12:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:58,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:12:58,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:12:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:58,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:12:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:58,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810877088] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:12:58,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2138454563] [2022-11-20 20:12:58,744 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 20:12:58,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:12:58,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 20:12:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661481956] [2022-11-20 20:12:58,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:12:58,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:12:58,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:58,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:12:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:12:58,752 INFO L87 Difference]: Start difference. First operand 2392 states and 6098 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2022-11-20 20:12:59,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:59,139 INFO L93 Difference]: Finished difference Result 6422 states and 16419 transitions. [2022-11-20 20:12:59,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:12:59,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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 22 [2022-11-20 20:12:59,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:59,158 INFO L225 Difference]: With dead ends: 6422 [2022-11-20 20:12:59,158 INFO L226 Difference]: Without dead ends: 6296 [2022-11-20 20:12:59,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:12:59,160 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 440 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:59,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 139 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:12:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6296 states. [2022-11-20 20:12:59,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6296 to 6261. [2022-11-20 20:12:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6261 states, 6256 states have (on average 2.563299232736573) internal successors, (16036), 6260 states have internal predecessors, (16036), 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) [2022-11-20 20:12:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 16036 transitions. [2022-11-20 20:12:59,329 INFO L78 Accepts]: Start accepts. Automaton has 6261 states and 16036 transitions. Word has length 22 [2022-11-20 20:12:59,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:59,330 INFO L495 AbstractCegarLoop]: Abstraction has 6261 states and 16036 transitions. [2022-11-20 20:12:59,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2022-11-20 20:12:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 16036 transitions. [2022-11-20 20:12:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 20:12:59,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:59,335 INFO L195 NwaCegarLoop]: trace 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] [2022-11-20 20:12:59,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:12:59,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:12:59,541 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:59,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:59,541 INFO L85 PathProgramCache]: Analyzing trace with hash -444591862, now seen corresponding path program 1 times [2022-11-20 20:12:59,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:59,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540558588] [2022-11-20 20:12:59,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:59,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:12:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:12:59,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:12:59,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540558588] [2022-11-20 20:12:59,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540558588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:12:59,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:12:59,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:12:59,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395590810] [2022-11-20 20:12:59,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:12:59,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:12:59,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:12:59,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:12:59,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:59,594 INFO L87 Difference]: Start difference. First operand 6261 states and 16036 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-20 20:12:59,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:12:59,745 INFO L93 Difference]: Finished difference Result 6212 states and 15811 transitions. [2022-11-20 20:12:59,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:12:59,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2022-11-20 20:12:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:12:59,767 INFO L225 Difference]: With dead ends: 6212 [2022-11-20 20:12:59,767 INFO L226 Difference]: Without dead ends: 6122 [2022-11-20 20:12:59,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:12:59,768 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 17 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:12:59,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 53 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:12:59,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2022-11-20 20:12:59,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6122. [2022-11-20 20:12:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6122 states, 6120 states have (on average 2.5527777777777776) internal successors, (15623), 6121 states have internal predecessors, (15623), 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) [2022-11-20 20:12:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 15623 transitions. [2022-11-20 20:12:59,905 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 15623 transitions. Word has length 24 [2022-11-20 20:12:59,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:12:59,906 INFO L495 AbstractCegarLoop]: Abstraction has 6122 states and 15623 transitions. [2022-11-20 20:12:59,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-20 20:12:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 15623 transitions. [2022-11-20 20:12:59,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 20:12:59,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:12:59,915 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:12:59,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 20:12:59,915 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 20:12:59,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:12:59,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1654585251, now seen corresponding path program 2 times [2022-11-20 20:12:59,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:12:59,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513161815] [2022-11-20 20:12:59,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:12:59,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:12:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:13:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:13:00,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:13:00,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513161815] [2022-11-20 20:13:00,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513161815] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:13:00,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592186443] [2022-11-20 20:13:00,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:13:00,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:13:00,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:13:00,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:13:00,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:13:00,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-20 20:13:00,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:13:00,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 20:13:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:13:00,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 20:13:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:13:00,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 20:13:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:13:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:13:00,380 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:13:00,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 20:13:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 20:13:00,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:13:00,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592186443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:13:00,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:13:00,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-11-20 20:13:00,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765883730] [2022-11-20 20:13:00,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:13:00,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:13:00,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:13:00,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:13:00,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:13:00,409 INFO L87 Difference]: Start difference. First operand 6122 states and 15623 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-11-20 20:13:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:13:00,740 INFO L93 Difference]: Finished difference Result 6073 states and 15519 transitions. [2022-11-20 20:13:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:13:00,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 37 [2022-11-20 20:13:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:13:00,741 INFO L225 Difference]: With dead ends: 6073 [2022-11-20 20:13:00,742 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:13:00,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:13:00,742 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 128 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:13:00,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 76 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:13:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:13:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:13:00,744 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) [2022-11-20 20:13:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:13:00,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-20 20:13:00,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:13:00,744 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:13:00,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-11-20 20:13:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:13:00,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:13:00,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2022-11-20 20:13:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-11-20 20:13:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-11-20 20:13:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-11-20 20:13:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-11-20 20:13:00,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-11-20 20:13:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-11-20 20:13:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-11-20 20:13:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 60 remaining) [2022-11-20 20:13:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 60 remaining) [2022-11-20 20:13:00,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-11-20 20:13:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-11-20 20:13:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-11-20 20:13:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-11-20 20:13:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-11-20 20:13:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-11-20 20:13:00,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-11-20 20:13:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-11-20 20:13:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-11-20 20:13:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-11-20 20:13:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-11-20 20:13:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-11-20 20:13:00,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-11-20 20:13:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err13ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-11-20 20:13:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-11-20 20:13:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-11-20 20:13:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-11-20 20:13:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-11-20 20:13:00,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-11-20 20:13:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-11-20 20:13:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-11-20 20:13:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-11-20 20:13:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-11-20 20:13:00,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err10ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (23 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (22 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-11-20 20:13:00,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-11-20 20:13:00,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-11-20 20:13:00,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-11-20 20:13:00,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-11-20 20:13:00,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-11-20 20:13:00,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-11-20 20:13:00,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-11-20 20:13:00,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-11-20 20:13:00,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err13ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-11-20 20:13:00,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-11-20 20:13:00,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-11-20 20:13:00,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-11-20 20:13:00,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-11-20 20:13:00,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-11-20 20:13:00,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-11-20 20:13:00,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-11-20 20:13:00,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-11-20 20:13:00,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-11-20 20:13:00,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-11-20 20:13:00,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err10ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-11-20 20:13:00,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:13:00,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:13:00,966 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:13:00,971 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 20:13:00,971 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:13:00,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:13:00 BasicIcfg [2022-11-20 20:13:00,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:13:00,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:13:00,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:13:00,976 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:13:00,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:12:13" (3/4) ... [2022-11-20 20:13:00,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:13:00,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-20 20:13:00,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-20 20:13:00,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 20:13:00,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 20:13:00,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 20:13:00,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:13:01,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:13:01,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:13:01,039 INFO L158 Benchmark]: Toolchain (without parser) took 49288.07ms. Allocated memory was 182.5MB in the beginning and 11.6GB in the end (delta: 11.4GB). Free memory was 151.5MB in the beginning and 10.3GB in the end (delta: -10.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-20 20:13:01,040 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:13:01,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.31ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 142.3MB in the end (delta: 8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 20:13:01,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.13ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 139.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:13:01,041 INFO L158 Benchmark]: Boogie Preprocessor took 68.87ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:13:01,041 INFO L158 Benchmark]: RCFGBuilder took 753.44ms. Allocated memory is still 182.5MB. Free memory was 136.4MB in the beginning and 112.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 20:13:01,045 INFO L158 Benchmark]: TraceAbstraction took 47592.05ms. Allocated memory was 182.5MB in the beginning and 11.6GB in the end (delta: 11.4GB). Free memory was 111.2MB in the beginning and 10.3GB in the end (delta: -10.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-20 20:13:01,046 INFO L158 Benchmark]: Witness Printer took 63.10ms. Allocated memory is still 11.6GB. Free memory was 10.3GB in the beginning and 10.3GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:13:01,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.31ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 142.3MB in the end (delta: 8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.13ms. Allocated memory is still 182.5MB. Free memory was 142.3MB in the beginning and 139.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.87ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 753.44ms. Allocated memory is still 182.5MB. Free memory was 136.4MB in the beginning and 112.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 47592.05ms. Allocated memory was 182.5MB in the beginning and 11.6GB in the end (delta: 11.4GB). Free memory was 111.2MB in the beginning and 10.3GB in the end (delta: -10.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 63.10ms. Allocated memory is still 11.6GB. Free memory was 10.3GB in the beginning and 10.3GB 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: 21.2s, 292 PlacesBefore, 111 PlacesAfterwards, 298 TransitionsBefore, 114 TransitionsAfterwards, 23022 CoEnabledTransitionPairs, 19 FixpointIterations, 103 TrivialSequentialCompositions, 225 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 3 ChoiceCompositions, 355 TotalNumberOfCompositions, 181724 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 88702, independent: 86059, independent conditional: 0, independent unconditional: 86059, dependent: 2585, dependent conditional: 0, dependent unconditional: 2585, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19625, independent: 19422, independent conditional: 0, independent unconditional: 19422, dependent: 198, dependent conditional: 0, dependent unconditional: 198, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19625, independent: 18661, independent conditional: 0, independent unconditional: 18661, dependent: 964, dependent conditional: 0, dependent unconditional: 964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 964, independent: 761, independent conditional: 0, independent unconditional: 761, dependent: 198, dependent conditional: 0, dependent unconditional: 198, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11712, independent: 662, independent conditional: 0, independent unconditional: 662, dependent: 438, dependent conditional: 0, dependent unconditional: 438, unknown: 10613, unknown conditional: 0, unknown unconditional: 10613] ], Cache Queries: [ total: 88702, independent: 66637, independent conditional: 0, independent unconditional: 66637, dependent: 2387, dependent conditional: 0, dependent unconditional: 2387, unknown: 19678, unknown conditional: 0, unknown unconditional: 19678] , Statistics on independence cache: Total cache size (in pairs): 3303, Positive cache size: 3196, Positive conditional cache size: 0, Positive unconditional cache size: 3196, Negative cache size: 107, Negative conditional cache size: 0, Negative unconditional cache size: 107, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2 - 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: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 462 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 47.3s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 21.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2306 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2306 mSDsluCounter, 2138 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 934 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3965 IncrementalHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 1204 mSDtfsCounter, 3965 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22489occurred in iteration=16, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.0s AutomataMinimizationTime, 22 MinimizatonAttempts, 56916 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 405 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 618 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 34/71 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 20:13:01,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c0d208-9744-4d79-9100-3c4e6e4dba4e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE