./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh --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 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed --- 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-2329fc7 [2022-12-14 07:17:27,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:17:27,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:17:27,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:17:27,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:17:27,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:17:27,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:17:27,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:17:27,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:17:27,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:17:27,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:17:27,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:17:27,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:17:27,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:17:27,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:17:27,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:17:27,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:17:27,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:17:27,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:17:27,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:17:27,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:17:27,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:17:27,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:17:27,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:17:27,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:17:27,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:17:27,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:17:27,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:17:27,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:17:27,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:17:27,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:17:27,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:17:27,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:17:27,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:17:27,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:17:27,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:17:27,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:17:27,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:17:27,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:17:27,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:17:27,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:17:27,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 07:17:27,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:17:27,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:17:27,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:17:27,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:17:27,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:17:27,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:17:27,310 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:17:27,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:17:27,311 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:17:27,311 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:17:27,311 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:17:27,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:17:27,311 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:17:27,311 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:17:27,312 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:17:27,312 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:17:27,312 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:17:27,312 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:17:27,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:17:27,313 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:17:27,313 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:17:27,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 07:17:27,314 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:17:27,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:17:27,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:17:27,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:17:27,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:17:27,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:17:27,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:17:27,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:17:27,316 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:17:27,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:17:27,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:17:27,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:17:27,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:17:27,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:17:27,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:17:27,317 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_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed [2022-12-14 07:17:27,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:17:27,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:17:27,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:17:27,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:17:27,518 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:17:27,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2022-12-14 07:17:30,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:17:30,313 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:17:30,313 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2022-12-14 07:17:30,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/data/5773a956f/04f74d595027469fbbe27b7c94619322/FLAG4e7436e22 [2022-12-14 07:17:30,653 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/data/5773a956f/04f74d595027469fbbe27b7c94619322 [2022-12-14 07:17:30,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:17:30,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:17:30,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:17:30,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:17:30,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:17:30,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:17:30" (1/1) ... [2022-12-14 07:17:30,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cb705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:30, skipping insertion in model container [2022-12-14 07:17:30,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:17:30" (1/1) ... [2022-12-14 07:17:30,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:17:30,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:17:31,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:17:31,055 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:17:31,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:17:31,153 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:17:31,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31 WrapperNode [2022-12-14 07:17:31,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:17:31,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:17:31,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:17:31,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:17:31,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,197 INFO L138 Inliner]: procedures = 365, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2022-12-14 07:17:31,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:17:31,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:17:31,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:17:31,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:17:31,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:17:31,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:17:31,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:17:31,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:17:31,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (1/1) ... [2022-12-14 07:17:31,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:17:31,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:17:31,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:17:31,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 07:17:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:17:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:17:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:17:31,294 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 07:17:31,390 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:17:31,392 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:17:31,567 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:17:31,574 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:17:31,574 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:17:31,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:17:31 BoogieIcfgContainer [2022-12-14 07:17:31,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:17:31,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:17:31,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:17:31,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:17:31,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:17:30" (1/3) ... [2022-12-14 07:17:31,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63931ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:17:31, skipping insertion in model container [2022-12-14 07:17:31,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:31" (2/3) ... [2022-12-14 07:17:31,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63931ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:17:31, skipping insertion in model container [2022-12-14 07:17:31,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:17:31" (3/3) ... [2022-12-14 07:17:31,581 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2022-12-14 07:17:31,589 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 07:17:31,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:17:31,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-14 07:17:31,600 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 07:17:31,648 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 07:17:31,670 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 07:17:31,681 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 106 transitions, 217 flow [2022-12-14 07:17:31,683 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 106 transitions, 217 flow [2022-12-14 07:17:31,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 106 transitions, 217 flow [2022-12-14 07:17:31,725 INFO L130 PetriNetUnfolder]: 0/105 cut-off events. [2022-12-14 07:17:31,726 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 07:17:31,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 0/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 07:17:31,731 INFO L119 LiptonReduction]: Number of co-enabled transitions 1920 [2022-12-14 07:17:34,024 INFO L134 LiptonReduction]: Checked pairs total: 11244 [2022-12-14 07:17:34,025 INFO L136 LiptonReduction]: Total number of compositions: 91 [2022-12-14 07:17:34,030 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 41 transitions, 87 flow [2022-12-14 07:17:34,054 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 345 states, 323 states have (on average 2.0061919504643964) internal successors, (648), 344 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:34,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:17:34,071 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;@5f2cf6fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:17:34,071 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-12-14 07:17:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 345 states, 323 states have (on average 2.0061919504643964) internal successors, (648), 344 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 07:17:34,077 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:34,077 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 07:17:34,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:34,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:34,081 INFO L85 PathProgramCache]: Analyzing trace with hash 356, now seen corresponding path program 1 times [2022-12-14 07:17:34,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:34,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863795966] [2022-12-14 07:17:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:34,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:34,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:34,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863795966] [2022-12-14 07:17:34,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863795966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:34,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:34,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 07:17:34,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567437545] [2022-12-14 07:17:34,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:34,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:17:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:34,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:17:34,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:17:34,187 INFO L87 Difference]: Start difference. First operand has 345 states, 323 states have (on average 2.0061919504643964) internal successors, (648), 344 states have internal predecessors, (648), 0 states have call successors, (0), 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) [2022-12-14 07:17:34,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:34,219 INFO L93 Difference]: Finished difference Result 289 states and 542 transitions. [2022-12-14 07:17:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:17:34,221 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 [2022-12-14 07:17:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:34,228 INFO L225 Difference]: With dead ends: 289 [2022-12-14 07:17:34,228 INFO L226 Difference]: Without dead ends: 289 [2022-12-14 07:17:34,229 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 [2022-12-14 07:17:34,231 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:34,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:17:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-12-14 07:17:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2022-12-14 07:17:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 281 states have (on average 1.9288256227758007) internal successors, (542), 288 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 542 transitions. [2022-12-14 07:17:34,267 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 542 transitions. Word has length 1 [2022-12-14 07:17:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:34,267 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 542 transitions. [2022-12-14 07:17:34,268 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) [2022-12-14 07:17:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 542 transitions. [2022-12-14 07:17:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:17:34,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:34,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:34,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:17:34,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:34,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:34,269 INFO L85 PathProgramCache]: Analyzing trace with hash -119783804, now seen corresponding path program 1 times [2022-12-14 07:17:34,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:34,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727840728] [2022-12-14 07:17:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:34,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:34,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:34,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727840728] [2022-12-14 07:17:34,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727840728] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:34,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:34,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:34,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370999549] [2022-12-14 07:17:34,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:34,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:17:34,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:34,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:17:34,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:34,592 INFO L87 Difference]: Start difference. First operand 289 states and 542 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:34,798 INFO L93 Difference]: Finished difference Result 383 states and 723 transitions. [2022-12-14 07:17:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:34,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-12-14 07:17:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:34,801 INFO L225 Difference]: With dead ends: 383 [2022-12-14 07:17:34,801 INFO L226 Difference]: Without dead ends: 383 [2022-12-14 07:17:34,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:34,802 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 31 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:34,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 27 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:17:34,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-12-14 07:17:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 351. [2022-12-14 07:17:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 343 states have (on average 1.9475218658892128) internal successors, (668), 350 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 668 transitions. [2022-12-14 07:17:34,825 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 668 transitions. Word has length 9 [2022-12-14 07:17:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:34,825 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 668 transitions. [2022-12-14 07:17:34,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 668 transitions. [2022-12-14 07:17:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:17:34,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:34,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:34,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:17:34,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:34,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:34,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1015022942, now seen corresponding path program 1 times [2022-12-14 07:17:34,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:34,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573577521] [2022-12-14 07:17:34,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:35,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:35,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573577521] [2022-12-14 07:17:35,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573577521] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:35,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:35,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:35,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110787900] [2022-12-14 07:17:35,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:35,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:17:35,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:35,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:17:35,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:35,017 INFO L87 Difference]: Start difference. First operand 351 states and 668 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:35,212 INFO L93 Difference]: Finished difference Result 643 states and 1208 transitions. [2022-12-14 07:17:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:35,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-12-14 07:17:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:35,214 INFO L225 Difference]: With dead ends: 643 [2022-12-14 07:17:35,214 INFO L226 Difference]: Without dead ends: 643 [2022-12-14 07:17:35,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:35,216 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:35,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 18 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:17:35,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-12-14 07:17:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 395. [2022-12-14 07:17:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 387 states have (on average 1.9431524547803618) internal successors, (752), 394 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 752 transitions. [2022-12-14 07:17:35,233 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 752 transitions. Word has length 9 [2022-12-14 07:17:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:35,234 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 752 transitions. [2022-12-14 07:17:35,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 752 transitions. [2022-12-14 07:17:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 07:17:35,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:35,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:35,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:17:35,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1799341041, now seen corresponding path program 1 times [2022-12-14 07:17:35,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:35,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030987097] [2022-12-14 07:17:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:35,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:35,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:35,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030987097] [2022-12-14 07:17:35,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030987097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:35,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:35,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:17:35,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195437061] [2022-12-14 07:17:35,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:35,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:17:35,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:35,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:17:35,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:17:35,292 INFO L87 Difference]: Start difference. First operand 395 states and 752 transitions. Second operand has 3 states, 3 states have (on average 4.0) 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) [2022-12-14 07:17:35,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:35,310 INFO L93 Difference]: Finished difference Result 188 states and 316 transitions. [2022-12-14 07:17:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:17:35,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) 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 [2022-12-14 07:17:35,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:35,311 INFO L225 Difference]: With dead ends: 188 [2022-12-14 07:17:35,311 INFO L226 Difference]: Without dead ends: 188 [2022-12-14 07:17:35,312 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 [2022-12-14 07:17:35,313 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 27 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:35,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 31 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:17:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-12-14 07:17:35,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2022-12-14 07:17:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 182 states have (on average 1.7362637362637363) internal successors, (316), 187 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 316 transitions. [2022-12-14 07:17:35,318 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 316 transitions. Word has length 12 [2022-12-14 07:17:35,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:35,319 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 316 transitions. [2022-12-14 07:17:35,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) 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) [2022-12-14 07:17:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 316 transitions. [2022-12-14 07:17:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 07:17:35,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:35,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:35,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:17:35,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:35,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:35,321 INFO L85 PathProgramCache]: Analyzing trace with hash 584309180, now seen corresponding path program 1 times [2022-12-14 07:17:35,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:35,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945849960] [2022-12-14 07:17:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:35,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:35,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945849960] [2022-12-14 07:17:35,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945849960] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:35,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:35,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:35,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964220956] [2022-12-14 07:17:35,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:35,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:17:35,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:35,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:17:35,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:35,526 INFO L87 Difference]: Start difference. First operand 188 states and 316 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-12-14 07:17:35,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:35,629 INFO L93 Difference]: Finished difference Result 209 states and 354 transitions. [2022-12-14 07:17:35,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:35,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2022-12-14 07:17:35,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:35,630 INFO L225 Difference]: With dead ends: 209 [2022-12-14 07:17:35,630 INFO L226 Difference]: Without dead ends: 196 [2022-12-14 07:17:35,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:35,631 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:35,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 28 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:17:35,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-12-14 07:17:35,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2022-12-14 07:17:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 191 states have (on average 1.7172774869109948) internal successors, (328), 195 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 328 transitions. [2022-12-14 07:17:35,637 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 328 transitions. Word has length 15 [2022-12-14 07:17:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:35,638 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 328 transitions. [2022-12-14 07:17:35,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-12-14 07:17:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 328 transitions. [2022-12-14 07:17:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 07:17:35,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:35,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:35,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:17:35,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:35,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1682721640, now seen corresponding path program 1 times [2022-12-14 07:17:35,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:35,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716031163] [2022-12-14 07:17:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:35,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:35,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:35,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716031163] [2022-12-14 07:17:35,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716031163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:35,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:35,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:17:35,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269102982] [2022-12-14 07:17:35,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:35,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:17:35,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:35,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:17:35,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:35,811 INFO L87 Difference]: Start difference. First operand 196 states and 328 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2022-12-14 07:17:36,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:36,003 INFO L93 Difference]: Finished difference Result 255 states and 428 transitions. [2022-12-14 07:17:36,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:17:36,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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 [2022-12-14 07:17:36,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:36,005 INFO L225 Difference]: With dead ends: 255 [2022-12-14 07:17:36,005 INFO L226 Difference]: Without dead ends: 222 [2022-12-14 07:17:36,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:17:36,006 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:36,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 16 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:17:36,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-12-14 07:17:36,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 214. [2022-12-14 07:17:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 209 states have (on average 1.8086124401913874) internal successors, (378), 213 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 378 transitions. [2022-12-14 07:17:36,013 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 378 transitions. Word has length 16 [2022-12-14 07:17:36,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:36,013 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 378 transitions. [2022-12-14 07:17:36,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2022-12-14 07:17:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 378 transitions. [2022-12-14 07:17:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 07:17:36,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:36,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:36,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:17:36,014 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:36,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:36,015 INFO L85 PathProgramCache]: Analyzing trace with hash 364927163, now seen corresponding path program 1 times [2022-12-14 07:17:36,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:36,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655411797] [2022-12-14 07:17:36,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:36,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:36,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:36,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655411797] [2022-12-14 07:17:36,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655411797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:36,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:36,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:17:36,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606267459] [2022-12-14 07:17:36,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:36,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:17:36,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:36,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:17:36,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:17:36,229 INFO L87 Difference]: Start difference. First operand 214 states and 378 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) [2022-12-14 07:17:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:36,484 INFO L93 Difference]: Finished difference Result 207 states and 359 transitions. [2022-12-14 07:17:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:17:36,485 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 [2022-12-14 07:17:36,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:36,486 INFO L225 Difference]: With dead ends: 207 [2022-12-14 07:17:36,486 INFO L226 Difference]: Without dead ends: 207 [2022-12-14 07:17:36,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:17:36,486 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:36,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 5 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:17:36,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-12-14 07:17:36,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 176. [2022-12-14 07:17:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 172 states have (on average 1.7674418604651163) internal successors, (304), 175 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 304 transitions. [2022-12-14 07:17:36,490 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 304 transitions. Word has length 19 [2022-12-14 07:17:36,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:36,490 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 304 transitions. [2022-12-14 07:17:36,490 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) [2022-12-14 07:17:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 304 transitions. [2022-12-14 07:17:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 07:17:36,491 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:36,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:36,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:17:36,491 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:36,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:36,491 INFO L85 PathProgramCache]: Analyzing trace with hash 166464444, now seen corresponding path program 1 times [2022-12-14 07:17:36,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:36,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895675902] [2022-12-14 07:17:36,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:36,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:17:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:17:36,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:17:36,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895675902] [2022-12-14 07:17:36,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895675902] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:17:36,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:17:36,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:17:36,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079751377] [2022-12-14 07:17:36,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:17:36,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:17:36,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:17:36,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:17:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:17:36,660 INFO L87 Difference]: Start difference. First operand 176 states and 304 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) [2022-12-14 07:17:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:17:36,758 INFO L93 Difference]: Finished difference Result 171 states and 295 transitions. [2022-12-14 07:17:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:17:36,759 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 [2022-12-14 07:17:36,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:17:36,760 INFO L225 Difference]: With dead ends: 171 [2022-12-14 07:17:36,760 INFO L226 Difference]: Without dead ends: 167 [2022-12-14 07:17:36,760 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 [2022-12-14 07:17:36,761 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:17:36,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 5 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:17:36,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-12-14 07:17:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 151. [2022-12-14 07:17:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 148 states have (on average 1.7567567567567568) internal successors, (260), 150 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:17:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 260 transitions. [2022-12-14 07:17:36,766 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 260 transitions. Word has length 19 [2022-12-14 07:17:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:17:36,766 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 260 transitions. [2022-12-14 07:17:36,766 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) [2022-12-14 07:17:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 260 transitions. [2022-12-14 07:17:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 07:17:36,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:17:36,767 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, 1] [2022-12-14 07:17:36,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:17:36,767 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-12-14 07:17:36,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:17:36,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1442730499, now seen corresponding path program 1 times [2022-12-14 07:17:36,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:17:36,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229804516] [2022-12-14 07:17:36,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:17:36,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:17:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:17:36,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:17:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:17:36,823 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 07:17:36,823 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:17:36,824 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2022-12-14 07:17:36,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2022-12-14 07:17:36,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2022-12-14 07:17:36,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2022-12-14 07:17:36,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2022-12-14 07:17:36,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2022-12-14 07:17:36,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2022-12-14 07:17:36,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2022-12-14 07:17:36,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2022-12-14 07:17:36,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:17:36,830 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:17:36,836 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 07:17:36,836 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:17:36,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:17:36 BasicIcfg [2022-12-14 07:17:36,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:17:36,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:17:36,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:17:36,868 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:17:36,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:17:31" (3/4) ... [2022-12-14 07:17:36,871 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 07:17:36,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:17:36,871 INFO L158 Benchmark]: Toolchain (without parser) took 6212.66ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 126.3MB in the beginning and 129.3MB in the end (delta: -3.0MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-12-14 07:17:36,872 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:17:36,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.56ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 88.2MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 07:17:36,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.45ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 85.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:17:36,872 INFO L158 Benchmark]: Boogie Preprocessor took 27.65ms. Allocated memory is still 157.3MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:17:36,873 INFO L158 Benchmark]: RCFGBuilder took 349.08ms. Allocated memory is still 157.3MB. Free memory was 84.0MB in the beginning and 113.5MB in the end (delta: -29.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 07:17:36,873 INFO L158 Benchmark]: TraceAbstraction took 5290.47ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 130.3MB in the end (delta: -17.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-12-14 07:17:36,873 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 188.7MB. Free memory was 130.3MB in the beginning and 129.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:17:36,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.56ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 88.2MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.45ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 85.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.65ms. Allocated memory is still 157.3MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.08ms. Allocated memory is still 157.3MB. Free memory was 84.0MB in the beginning and 113.5MB in the end (delta: -29.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5290.47ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 130.3MB in the end (delta: -17.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 188.7MB. Free memory was 130.3MB in the beginning and 129.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 110 PlacesBefore, 45 PlacesAfterwards, 106 TransitionsBefore, 41 TransitionsAfterwards, 1920 CoEnabledTransitionPairs, 8 FixpointIterations, 50 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 91 TotalNumberOfCompositions, 11244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2667, independent: 2144, independent conditional: 0, independent unconditional: 2144, dependent: 523, dependent conditional: 0, dependent unconditional: 523, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1316, independent: 1214, independent conditional: 0, independent unconditional: 1214, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1316, independent: 1133, independent conditional: 0, independent unconditional: 1133, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 183, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2667, independent: 930, independent conditional: 0, independent unconditional: 930, dependent: 421, dependent conditional: 0, dependent unconditional: 421, unknown: 1316, unknown conditional: 0, unknown unconditional: 1316] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 171, Positive conditional cache size: 0, Positive unconditional cache size: 171, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1243]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; [L1224] 0 int *y; [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1234] 0 pthread_t id; [L1235] 0 int *z; [L1236] 0 x = malloc(sizeof(int)) [L1237] 0 y = malloc(sizeof(int)) [L1238] 0 z = y [L1239] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0, x={-1:0}, y={-2:0}, z={-2:0}] [L1241] EXPR 0 *x [L1241] EXPR 0 \read(*x) VAL [\read(*x)=27, arg={0:0}, id={5:0}, m={1:0}, x={-1:0}, y={-2:0}, z={-2:0}] [L1241] 0 printf("%d\n",*x) [L1228] EXPR 1 *x VAL [arg={0:0}, arg={0:0}, m={1:0}, x={-1:0}, y={-2:0}] [L1243] EXPR 0 \read(*z) VAL [\read(*z)=25, arg={0:0}, arg={0:0}, id={5:0}, m={1:0}, x={-1:0}, y={-2:0}, z={-2:0}] [L1228] EXPR 1 *x [L1228] 1 *x = 3 VAL [arg={0:0}, arg={0:0}, m={1:0}, x={-1:0}, y={-2:0}] [L1229] EXPR 1 *y [L1229] 1 *y = 8 VAL [*y = 8=26, arg={0:0}, arg={0:0}, m={1:0}, x={-1:0}, y={-2:0}] [L1243] 0 printf("%d\n",*z) VAL [*y = 8=26, \read(*z)=25, arg={0:0}, arg={0:0}, id={5:0}, m={1:0}, x={-1:0}, y={-2:0}, z={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: y = malloc(sizeof(int)) [1237] * C: *x = 3 [1228] * C: *y = 8 [1229] * C: x = malloc(sizeof(int)) [1236] * C: *x = 3 [1228] * C: *x = 3 [1228] * C: *x = 3 [1228] and C: printf("%d\n",*z) [1243] - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 139 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 222 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 222 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1556 IncrementalHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 120 mSDtfsCounter, 1556 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=3, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 335 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 07:17:36,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484e9139-5aea-45aa-aec6-3cf412607919/bin/utaipan-gh47qXpMRh/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE