./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:51:28,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:51:28,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:51:28,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:51:28,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:51:28,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:51:28,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:51:28,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:51:28,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:51:28,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:51:28,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:51:28,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:51:28,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:51:28,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:51:28,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:51:28,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:51:28,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:51:28,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:51:28,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:51:28,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:51:28,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:51:28,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:51:28,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:51:28,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:51:28,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:51:28,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:51:28,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:51:28,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:51:28,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:51:28,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:51:28,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:51:28,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:51:28,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:51:28,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:51:28,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:51:28,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:51:28,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:51:28,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:51:28,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:51:28,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:51:28,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:51:28,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 22:51:28,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:51:28,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:51:28,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:51:28,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:51:28,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:51:28,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:51:28,739 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:51:28,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:51:28,740 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:51:28,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:51:28,741 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:51:28,742 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:51:28,742 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:51:28,742 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:51:28,742 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:51:28,743 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:51:28,743 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:51:28,743 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:51:28,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:51:28,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 22:51:28,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:51:28,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 22:51:28,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:51:28,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:51:28,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:51:28,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:51:28,748 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 22:51:28,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:51:28,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:51:28,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:51:28,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:51:28,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:51:28,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:51:28,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:51:28,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:51:28,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:51:28,750 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:51:28,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:51:28,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:51:28,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:51:28,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:51:28,751 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 [2021-11-20 22:51:29,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:51:29,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:51:29,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:51:29,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:51:29,056 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:51:29,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-20 22:51:29,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/data/f378eb645/e27477899c1a4b2385eec34fe5b6a5b3/FLAGa754c337a [2021-11-20 22:51:29,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:51:29,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-20 22:51:29,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/data/f378eb645/e27477899c1a4b2385eec34fe5b6a5b3/FLAGa754c337a [2021-11-20 22:51:29,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/data/f378eb645/e27477899c1a4b2385eec34fe5b6a5b3 [2021-11-20 22:51:29,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:51:29,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:51:29,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:51:29,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:51:29,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:51:29,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:29" (1/1) ... [2021-11-20 22:51:29,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443c7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:29, skipping insertion in model container [2021-11-20 22:51:29,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:51:29" (1/1) ... [2021-11-20 22:51:30,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:51:30,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:51:30,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-20 22:51:30,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:51:30,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:51:30,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-20 22:51:30,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:51:30,294 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:51:30,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30 WrapperNode [2021-11-20 22:51:30,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:51:30,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:51:30,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:51:30,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:51:30,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,344 INFO L137 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 289 [2021-11-20 22:51:30,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:51:30,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:51:30,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:51:30,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:51:30,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:51:30,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:51:30,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:51:30,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:51:30,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (1/1) ... [2021-11-20 22:51:30,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:51:30,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:30,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:51:30,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:51:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:51:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:51:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:51:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:51:30,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-20 22:51:30,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-20 22:51:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-20 22:51:30,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-20 22:51:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-20 22:51:30,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-20 22:51:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-20 22:51:30,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-20 22:51:30,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:51:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-20 22:51:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-20 22:51:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-20 22:51:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-20 22:51:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 22:51:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 22:51:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:51:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:51:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:51:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:51:30,502 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 22:51:30,673 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:51:30,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:51:31,140 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:51:31,516 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:51:31,516 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-20 22:51:31,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:31 BoogieIcfgContainer [2021-11-20 22:51:31,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:51:31,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:51:31,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:51:31,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:51:31,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:51:29" (1/3) ... [2021-11-20 22:51:31,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db82f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:51:31, skipping insertion in model container [2021-11-20 22:51:31,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:51:30" (2/3) ... [2021-11-20 22:51:31,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db82f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:51:31, skipping insertion in model container [2021-11-20 22:51:31,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:51:31" (3/3) ... [2021-11-20 22:51:31,528 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2021-11-20 22:51:31,534 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 22:51:31,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:51:31,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 22:51:31,535 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 22:51:31,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,595 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,599 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,599 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,599 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,599 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,600 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,600 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,601 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,602 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,603 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,604 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,618 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,619 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,620 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,620 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,620 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,620 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,621 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,622 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,623 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,624 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,624 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,624 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,624 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,624 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,624 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,625 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,626 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,626 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,626 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,626 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,626 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,626 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,627 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,627 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,627 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,628 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,628 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,628 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,628 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,628 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,629 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,629 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,629 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,629 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,629 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,630 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,630 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,630 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,630 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,630 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,630 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,631 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,631 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,631 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,631 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,631 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,631 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,632 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,632 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,632 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,632 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,632 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,632 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,633 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,633 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,633 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,633 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,633 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,634 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,634 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,634 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,634 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,634 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,634 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,635 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,635 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,635 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,635 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,635 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,635 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,636 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,636 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,636 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,636 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,636 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,636 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,637 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,637 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,637 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,637 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,637 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,637 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,638 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,638 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,638 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,638 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,638 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,638 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,639 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,639 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,639 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,639 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,640 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,640 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,640 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,640 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,640 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,640 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,641 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,641 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,641 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,641 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,641 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,641 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,642 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,642 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,642 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,642 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,642 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,642 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,643 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,643 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,643 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,643 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,643 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,643 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,644 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,644 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,644 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,644 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,644 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,644 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,645 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,646 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,646 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,646 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,647 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,647 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,647 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,647 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,647 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,647 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,648 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,648 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,648 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,648 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,648 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,648 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,649 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,650 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,650 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,650 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,650 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,650 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,650 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,651 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,651 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,651 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,651 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,684 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,684 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,685 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,685 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,685 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,685 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,685 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,685 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,689 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,690 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,691 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,691 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,692 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,692 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,692 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,692 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,692 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,695 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,695 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,695 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,695 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,695 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,696 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,696 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,696 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,696 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,696 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,697 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,697 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,697 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,716 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,716 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,716 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,717 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,718 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,719 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,720 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,720 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,720 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,721 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,721 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,721 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,721 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,721 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,721 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,722 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,722 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,722 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,722 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,726 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,726 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,726 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,726 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,726 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,726 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,727 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,728 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,728 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,728 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,729 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,729 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,729 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,729 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,729 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,729 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,730 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,730 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,730 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,730 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,731 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,731 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,731 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,731 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,731 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,732 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,732 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,732 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,732 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,732 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,732 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,733 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,733 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 22:51:31,770 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-11-20 22:51:31,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:51:31,847 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:51:31,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-20 22:51:31,867 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-20 22:51:31,881 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 260 transitions, 592 flow [2021-11-20 22:51:31,884 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 260 transitions, 592 flow [2021-11-20 22:51:31,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 260 transitions, 592 flow [2021-11-20 22:51:31,983 INFO L129 PetriNetUnfolder]: 18/232 cut-off events. [2021-11-20 22:51:31,983 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-20 22:51:31,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 232 events. 18/232 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 286 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 200. Up to 3 conditions per place. [2021-11-20 22:51:32,000 INFO L116 LiptonReduction]: Number of co-enabled transitions 7312 [2021-11-20 22:51:39,424 INFO L131 LiptonReduction]: Checked pairs total: 34442 [2021-11-20 22:51:39,424 INFO L133 LiptonReduction]: Total number of compositions: 209 [2021-11-20 22:51:39,433 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 236 flow [2021-11-20 22:51:39,760 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5101 states, 5100 states have (on average 4.53) internal successors, (23103), 5100 states have internal predecessors, (23103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 5101 states, 5100 states have (on average 4.53) internal successors, (23103), 5100 states have internal predecessors, (23103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 22:51:39,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:39,894 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:39,895 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:39,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1280862847, now seen corresponding path program 1 times [2021-11-20 22:51:39,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:39,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264074313] [2021-11-20 22:51:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:39,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:40,518 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:40,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264074313] [2021-11-20 22:51:40,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264074313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:40,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:40,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:51:40,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428891475] [2021-11-20 22:51:40,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:40,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:51:40,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:40,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:51:40,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:51:40,578 INFO L87 Difference]: Start difference. First operand has 5101 states, 5100 states have (on average 4.53) internal successors, (23103), 5100 states have internal predecessors, (23103), 0 states have call successors, (0), 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 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:41,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:41,167 INFO L93 Difference]: Finished difference Result 13912 states and 64497 transitions. [2021-11-20 22:51:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:51:41,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-11-20 22:51:41,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:41,495 INFO L225 Difference]: With dead ends: 13912 [2021-11-20 22:51:41,496 INFO L226 Difference]: Without dead ends: 13731 [2021-11-20 22:51:41,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:51:41,502 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 81 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:41,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 87 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 22:51:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13731 states. [2021-11-20 22:51:42,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13731 to 6927. [2021-11-20 22:51:42,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6927 states, 6926 states have (on average 4.476032341900087) internal successors, (31001), 6926 states have internal predecessors, (31001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6927 states to 6927 states and 31001 transitions. [2021-11-20 22:51:42,297 INFO L78 Accepts]: Start accepts. Automaton has 6927 states and 31001 transitions. Word has length 52 [2021-11-20 22:51:42,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:42,299 INFO L470 AbstractCegarLoop]: Abstraction has 6927 states and 31001 transitions. [2021-11-20 22:51:42,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 6927 states and 31001 transitions. [2021-11-20 22:51:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 22:51:42,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:42,435 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:42,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 22:51:42,436 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:42,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash -640587647, now seen corresponding path program 2 times [2021-11-20 22:51:42,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:42,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619473699] [2021-11-20 22:51:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:42,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:42,598 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:42,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619473699] [2021-11-20 22:51:42,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619473699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:42,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:42,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:51:42,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723169996] [2021-11-20 22:51:42,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:42,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 22:51:42,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:42,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 22:51:42,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 22:51:42,602 INFO L87 Difference]: Start difference. First operand 6927 states and 31001 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:43,292 INFO L93 Difference]: Finished difference Result 15380 states and 71210 transitions. [2021-11-20 22:51:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 22:51:43,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-11-20 22:51:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:43,504 INFO L225 Difference]: With dead ends: 15380 [2021-11-20 22:51:43,504 INFO L226 Difference]: Without dead ends: 15199 [2021-11-20 22:51:43,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:51:43,509 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 62 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:43,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 90 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 22:51:43,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15199 states. [2021-11-20 22:51:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15199 to 7065. [2021-11-20 22:51:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7065 states, 7064 states have (on average 4.462061155152888) internal successors, (31520), 7064 states have internal predecessors, (31520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 31520 transitions. [2021-11-20 22:51:44,186 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 31520 transitions. Word has length 52 [2021-11-20 22:51:44,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:44,187 INFO L470 AbstractCegarLoop]: Abstraction has 7065 states and 31520 transitions. [2021-11-20 22:51:44,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 31520 transitions. [2021-11-20 22:51:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-20 22:51:44,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:44,225 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:44,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 22:51:44,226 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:44,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash 848648602, now seen corresponding path program 1 times [2021-11-20 22:51:44,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:44,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533822780] [2021-11-20 22:51:44,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:44,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:44,414 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:44,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533822780] [2021-11-20 22:51:44,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533822780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:44,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:44,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 22:51:44,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449238499] [2021-11-20 22:51:44,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:44,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 22:51:44,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:44,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 22:51:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:51:44,416 INFO L87 Difference]: Start difference. First operand 7065 states and 31520 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:44,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:44,852 INFO L93 Difference]: Finished difference Result 12117 states and 51300 transitions. [2021-11-20 22:51:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 22:51:44,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-20 22:51:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:44,926 INFO L225 Difference]: With dead ends: 12117 [2021-11-20 22:51:44,926 INFO L226 Difference]: Without dead ends: 11621 [2021-11-20 22:51:44,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:51:44,931 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 151 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:44,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 82 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 22:51:44,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11621 states. [2021-11-20 22:51:45,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11621 to 10413. [2021-11-20 22:51:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10413 states, 10412 states have (on average 4.333941605839416) internal successors, (45125), 10412 states have internal predecessors, (45125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10413 states to 10413 states and 45125 transitions. [2021-11-20 22:51:45,649 INFO L78 Accepts]: Start accepts. Automaton has 10413 states and 45125 transitions. Word has length 54 [2021-11-20 22:51:45,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:45,651 INFO L470 AbstractCegarLoop]: Abstraction has 10413 states and 45125 transitions. [2021-11-20 22:51:45,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10413 states and 45125 transitions. [2021-11-20 22:51:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-20 22:51:45,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:45,724 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:45,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 22:51:45,724 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:45,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:45,725 INFO L85 PathProgramCache]: Analyzing trace with hash -734343789, now seen corresponding path program 1 times [2021-11-20 22:51:45,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:45,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791881388] [2021-11-20 22:51:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:45,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:46,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:46,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791881388] [2021-11-20 22:51:46,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791881388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:46,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:46,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 22:51:46,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841913693] [2021-11-20 22:51:46,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:46,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 22:51:46,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:46,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 22:51:46,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:51:46,044 INFO L87 Difference]: Start difference. First operand 10413 states and 45125 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:46,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:46,331 INFO L93 Difference]: Finished difference Result 8631 states and 35249 transitions. [2021-11-20 22:51:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:51:46,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-20 22:51:46,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:46,376 INFO L225 Difference]: With dead ends: 8631 [2021-11-20 22:51:46,377 INFO L226 Difference]: Without dead ends: 6868 [2021-11-20 22:51:46,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 22:51:46,379 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 128 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:46,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 114 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 22:51:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6868 states. [2021-11-20 22:51:46,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6868 to 6868. [2021-11-20 22:51:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6868 states, 6867 states have (on average 4.300859181593126) internal successors, (29534), 6867 states have internal predecessors, (29534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 29534 transitions. [2021-11-20 22:51:46,733 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 29534 transitions. Word has length 54 [2021-11-20 22:51:46,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:46,733 INFO L470 AbstractCegarLoop]: Abstraction has 6868 states and 29534 transitions. [2021-11-20 22:51:46,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 29534 transitions. [2021-11-20 22:51:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 22:51:46,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:46,770 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:46,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 22:51:46,770 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:46,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1342910794, now seen corresponding path program 1 times [2021-11-20 22:51:46,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:46,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999357317] [2021-11-20 22:51:46,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:46,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:46,957 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:46,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999357317] [2021-11-20 22:51:46,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999357317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:46,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126598030] [2021-11-20 22:51:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:46,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:46,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:46,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 22:51:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:47,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 22:51:47,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:47,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:47,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126598030] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:51:47,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1510334717] [2021-11-20 22:51:47,690 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:51:47,698 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:51:47,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-11-20 22:51:47,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213349776] [2021-11-20 22:51:47,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:51:47,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 22:51:47,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:47,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 22:51:47,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:51:47,700 INFO L87 Difference]: Start difference. First operand 6868 states and 29534 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:48,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:48,194 INFO L93 Difference]: Finished difference Result 11722 states and 46403 transitions. [2021-11-20 22:51:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 22:51:48,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 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 55 [2021-11-20 22:51:48,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:48,253 INFO L225 Difference]: With dead ends: 11722 [2021-11-20 22:51:48,253 INFO L226 Difference]: Without dead ends: 10214 [2021-11-20 22:51:48,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-11-20 22:51:48,255 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 409 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:48,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 168 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 22:51:48,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10214 states. [2021-11-20 22:51:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10214 to 7972. [2021-11-20 22:51:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7972 states, 7971 states have (on average 4.094216534939155) internal successors, (32635), 7971 states have internal predecessors, (32635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7972 states to 7972 states and 32635 transitions. [2021-11-20 22:51:48,598 INFO L78 Accepts]: Start accepts. Automaton has 7972 states and 32635 transitions. Word has length 55 [2021-11-20 22:51:48,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:48,599 INFO L470 AbstractCegarLoop]: Abstraction has 7972 states and 32635 transitions. [2021-11-20 22:51:48,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 7972 states and 32635 transitions. [2021-11-20 22:51:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 22:51:48,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:48,634 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:48,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:48,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:48,852 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:48,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:48,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1369064111, now seen corresponding path program 1 times [2021-11-20 22:51:48,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:48,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764934658] [2021-11-20 22:51:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:48,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:49,018 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:49,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764934658] [2021-11-20 22:51:49,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764934658] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:49,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944185110] [2021-11-20 22:51:49,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:49,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:49,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 22:51:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 22:51:49,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:49,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:51:49,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944185110] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:51:49,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1353331963] [2021-11-20 22:51:49,624 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:51:49,624 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:51:49,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-11-20 22:51:49,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137283293] [2021-11-20 22:51:49,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:51:49,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 22:51:49,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:49,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 22:51:49,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:51:49,627 INFO L87 Difference]: Start difference. First operand 7972 states and 32635 transitions. Second operand has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:50,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:50,070 INFO L93 Difference]: Finished difference Result 7224 states and 28891 transitions. [2021-11-20 22:51:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 22:51:50,071 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 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 55 [2021-11-20 22:51:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:50,103 INFO L225 Difference]: With dead ends: 7224 [2021-11-20 22:51:50,103 INFO L226 Difference]: Without dead ends: 6407 [2021-11-20 22:51:50,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-11-20 22:51:50,105 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 149 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:50,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 257 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 22:51:50,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2021-11-20 22:51:50,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6407. [2021-11-20 22:51:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6407 states, 6406 states have (on average 4.153137683421792) internal successors, (26605), 6406 states have internal predecessors, (26605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6407 states to 6407 states and 26605 transitions. [2021-11-20 22:51:50,549 INFO L78 Accepts]: Start accepts. Automaton has 6407 states and 26605 transitions. Word has length 55 [2021-11-20 22:51:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:50,550 INFO L470 AbstractCegarLoop]: Abstraction has 6407 states and 26605 transitions. [2021-11-20 22:51:50,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6407 states and 26605 transitions. [2021-11-20 22:51:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 22:51:50,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:50,577 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:50,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:50,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:50,792 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:50,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:50,793 INFO L85 PathProgramCache]: Analyzing trace with hash -561775334, now seen corresponding path program 2 times [2021-11-20 22:51:50,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:50,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629441088] [2021-11-20 22:51:50,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:50,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:50,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:51:50,972 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:50,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629441088] [2021-11-20 22:51:50,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629441088] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:50,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574024814] [2021-11-20 22:51:50,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 22:51:50,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:50,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:50,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:50,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 22:51:51,148 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 22:51:51,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 22:51:51,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 22:51:51,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:51:51,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:51:51,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574024814] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:51,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:51:51,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-11-20 22:51:51,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548292802] [2021-11-20 22:51:51,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:51,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:51:51,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:51,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:51:51,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:51:51,600 INFO L87 Difference]: Start difference. First operand 6407 states and 26605 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:51,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:51,782 INFO L93 Difference]: Finished difference Result 6339 states and 26915 transitions. [2021-11-20 22:51:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:51:51,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2021-11-20 22:51:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:51,813 INFO L225 Difference]: With dead ends: 6339 [2021-11-20 22:51:51,813 INFO L226 Difference]: Without dead ends: 6339 [2021-11-20 22:51:51,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-20 22:51:51,814 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 209 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:51,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 49 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:51:51,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6339 states. [2021-11-20 22:51:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6339 to 5715. [2021-11-20 22:51:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5715 states, 5714 states have (on average 4.281239061953098) internal successors, (24463), 5714 states have internal predecessors, (24463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 24463 transitions. [2021-11-20 22:51:52,241 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 24463 transitions. Word has length 56 [2021-11-20 22:51:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:52,241 INFO L470 AbstractCegarLoop]: Abstraction has 5715 states and 24463 transitions. [2021-11-20 22:51:52,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 24463 transitions. [2021-11-20 22:51:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 22:51:52,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:52,279 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:52,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:52,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:52,480 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:52,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:52,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2144767725, now seen corresponding path program 2 times [2021-11-20 22:51:52,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:52,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557174821] [2021-11-20 22:51:52,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:52,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:51:52,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:52,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557174821] [2021-11-20 22:51:52,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557174821] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:52,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845804639] [2021-11-20 22:51:52,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 22:51:52,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:52,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:52,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:52,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 22:51:52,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 22:51:52,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 22:51:52,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 22:51:52,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:51:52,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:53,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 22:51:53,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845804639] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:53,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 22:51:53,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-11-20 22:51:53,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526083725] [2021-11-20 22:51:53,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:53,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 22:51:53,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:53,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 22:51:53,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-20 22:51:53,074 INFO L87 Difference]: Start difference. First operand 5715 states and 24463 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:53,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:53,253 INFO L93 Difference]: Finished difference Result 6387 states and 27545 transitions. [2021-11-20 22:51:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 22:51:53,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2021-11-20 22:51:53,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:53,279 INFO L225 Difference]: With dead ends: 6387 [2021-11-20 22:51:53,279 INFO L226 Difference]: Without dead ends: 6387 [2021-11-20 22:51:53,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-20 22:51:53,282 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 170 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:53,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 47 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 22:51:53,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2021-11-20 22:51:53,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 6387. [2021-11-20 22:51:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6387 states, 6386 states have (on average 4.313341684935797) internal successors, (27545), 6386 states have internal predecessors, (27545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6387 states to 6387 states and 27545 transitions. [2021-11-20 22:51:53,498 INFO L78 Accepts]: Start accepts. Automaton has 6387 states and 27545 transitions. Word has length 56 [2021-11-20 22:51:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:53,498 INFO L470 AbstractCegarLoop]: Abstraction has 6387 states and 27545 transitions. [2021-11-20 22:51:53,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:51:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 6387 states and 27545 transitions. [2021-11-20 22:51:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 22:51:53,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:53,519 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:53,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 22:51:53,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:53,732 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:51:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:53,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1983109778, now seen corresponding path program 1 times [2021-11-20 22:51:53,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:53,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812684935] [2021-11-20 22:51:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:53,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:51:54,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:54,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812684935] [2021-11-20 22:51:54,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812684935] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:51:54,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74475508] [2021-11-20 22:51:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:54,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:51:54,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:51:54,297 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:51:54,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 22:51:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:54,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-20 22:51:54,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:51:54,922 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:51:54,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:51:55,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-20 22:51:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:51:55,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:51:56,427 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int)) (<= c_~s_6~0 (+ c_~s_2~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))) (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int)) (< (+ c_~s_2~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ c_~s_6~0 1)))) is different from false [2021-11-20 22:51:58,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:51:58,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2021-11-20 22:51:58,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:51:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:51:58,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 3 [2021-11-20 22:51:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2021-11-20 22:51:58,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74475508] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:51:58,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [84423703] [2021-11-20 22:51:58,838 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:51:58,839 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:51:58,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 24 [2021-11-20 22:51:58,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798539798] [2021-11-20 22:51:58,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:51:58,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 22:51:58,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:58,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 22:51:58,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=510, Unknown=2, NotChecked=46, Total=650 [2021-11-20 22:51:58,842 INFO L87 Difference]: Start difference. First operand 6387 states and 27545 transitions. Second operand has 26 states, 25 states have (on average 4.52) internal successors, (113), 25 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:52:00,888 INFO L93 Difference]: Finished difference Result 14210 states and 63162 transitions. [2021-11-20 22:52:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 22:52:00,889 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.52) internal successors, (113), 25 states have internal predecessors, (113), 0 states have call successors, (0), 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 58 [2021-11-20 22:52:00,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:52:00,942 INFO L225 Difference]: With dead ends: 14210 [2021-11-20 22:52:00,942 INFO L226 Difference]: Without dead ends: 13289 [2021-11-20 22:52:00,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 98 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=291, Invalid=1193, Unknown=2, NotChecked=74, Total=1560 [2021-11-20 22:52:00,944 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 698 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 516 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:52:00,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [698 Valid, 495 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1894 Invalid, 0 Unknown, 516 Unchecked, 1.3s Time] [2021-11-20 22:52:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13289 states. [2021-11-20 22:52:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13289 to 7427. [2021-11-20 22:52:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7427 states, 7426 states have (on average 4.35591166172906) internal successors, (32347), 7426 states have internal predecessors, (32347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7427 states to 7427 states and 32347 transitions. [2021-11-20 22:52:01,301 INFO L78 Accepts]: Start accepts. Automaton has 7427 states and 32347 transitions. Word has length 58 [2021-11-20 22:52:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:52:01,302 INFO L470 AbstractCegarLoop]: Abstraction has 7427 states and 32347 transitions. [2021-11-20 22:52:01,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.52) internal successors, (113), 25 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 7427 states and 32347 transitions. [2021-11-20 22:52:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 22:52:01,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:52:01,327 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:52:01,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 22:52:01,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:52:01,554 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:52:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:52:01,555 INFO L85 PathProgramCache]: Analyzing trace with hash -579904936, now seen corresponding path program 2 times [2021-11-20 22:52:01,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:52:01,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492400948] [2021-11-20 22:52:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:52:01,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:52:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:52:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:02,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:52:02,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492400948] [2021-11-20 22:52:02,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492400948] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:52:02,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736814248] [2021-11-20 22:52:02,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 22:52:02,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:52:02,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:52:02,260 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:52:02,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 22:52:02,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 22:52:02,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 22:52:02,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-20 22:52:02,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:52:03,064 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:52:03,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:52:03,346 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:52:03,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:52:03,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 22:52:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:03,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:52:30,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:52:30,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 350 treesize of output 278 [2021-11-20 22:52:30,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:30,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:52:30,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 3 [2021-11-20 22:52:31,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:31,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736814248] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:52:31,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1260651686] [2021-11-20 22:52:31,213 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:52:31,215 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:52:31,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-11-20 22:52:31,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238094499] [2021-11-20 22:52:31,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:52:31,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-20 22:52:31,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:52:31,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-20 22:52:31,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=897, Unknown=13, NotChecked=0, Total=1056 [2021-11-20 22:52:31,221 INFO L87 Difference]: Start difference. First operand 7427 states and 32347 transitions. Second operand has 33 states, 32 states have (on average 4.34375) internal successors, (139), 32 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:52:34,656 INFO L93 Difference]: Finished difference Result 15160 states and 67615 transitions. [2021-11-20 22:52:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 22:52:34,657 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 4.34375) internal successors, (139), 32 states have internal predecessors, (139), 0 states have call successors, (0), 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 58 [2021-11-20 22:52:34,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:52:34,702 INFO L225 Difference]: With dead ends: 15160 [2021-11-20 22:52:34,702 INFO L226 Difference]: Without dead ends: 14359 [2021-11-20 22:52:34,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 98 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 29.1s TimeCoverageRelationStatistics Valid=417, Invalid=1825, Unknown=14, NotChecked=0, Total=2256 [2021-11-20 22:52:34,703 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 847 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 2354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 439 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:52:34,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 549 Invalid, 2354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1834 Invalid, 0 Unknown, 439 Unchecked, 1.4s Time] [2021-11-20 22:52:34,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14359 states. [2021-11-20 22:52:34,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14359 to 7427. [2021-11-20 22:52:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7427 states, 7426 states have (on average 4.35591166172906) internal successors, (32347), 7426 states have internal predecessors, (32347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7427 states to 7427 states and 32347 transitions. [2021-11-20 22:52:35,044 INFO L78 Accepts]: Start accepts. Automaton has 7427 states and 32347 transitions. Word has length 58 [2021-11-20 22:52:35,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:52:35,045 INFO L470 AbstractCegarLoop]: Abstraction has 7427 states and 32347 transitions. [2021-11-20 22:52:35,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 4.34375) internal successors, (139), 32 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 7427 states and 32347 transitions. [2021-11-20 22:52:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 22:52:35,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:52:35,074 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:52:35,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 22:52:35,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 22:52:35,280 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:52:35,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:52:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1674579728, now seen corresponding path program 1 times [2021-11-20 22:52:35,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:52:35,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177141101] [2021-11-20 22:52:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:52:35,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:52:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:52:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:35,974 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:52:35,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177141101] [2021-11-20 22:52:35,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177141101] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:52:35,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657701416] [2021-11-20 22:52:35,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:52:35,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:52:35,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:52:35,976 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:52:35,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 22:52:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:52:36,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-20 22:52:36,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:52:36,656 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:52:36,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:52:36,959 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:52:36,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:52:37,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-20 22:52:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:37,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:52:53,535 WARN L227 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 22:52:55,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:52:55,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 350 treesize of output 278 [2021-11-20 22:52:55,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:55,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:52:55,983 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-20 22:52:55,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2021-11-20 22:52:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:56,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657701416] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:52:56,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [324114239] [2021-11-20 22:52:56,388 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:52:56,388 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:52:56,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2021-11-20 22:52:56,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737390959] [2021-11-20 22:52:56,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:52:56,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-20 22:52:56,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:52:56,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-20 22:52:56,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=906, Unknown=4, NotChecked=0, Total=1056 [2021-11-20 22:52:56,392 INFO L87 Difference]: Start difference. First operand 7427 states and 32347 transitions. Second operand has 33 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:52:58,605 INFO L93 Difference]: Finished difference Result 13852 states and 61761 transitions. [2021-11-20 22:52:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 22:52:58,605 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 0 states have call successors, (0), 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 58 [2021-11-20 22:52:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:52:58,641 INFO L225 Difference]: With dead ends: 13852 [2021-11-20 22:52:58,641 INFO L226 Difference]: Without dead ends: 12971 [2021-11-20 22:52:58,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 93 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=444, Invalid=1904, Unknown=4, NotChecked=0, Total=2352 [2021-11-20 22:52:58,642 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 678 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 540 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:52:58,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 705 Invalid, 3320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2721 Invalid, 0 Unknown, 540 Unchecked, 1.6s Time] [2021-11-20 22:52:58,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12971 states. [2021-11-20 22:52:58,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12971 to 7531. [2021-11-20 22:52:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7531 states, 7530 states have (on average 4.365869853917663) internal successors, (32875), 7530 states have internal predecessors, (32875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7531 states to 7531 states and 32875 transitions. [2021-11-20 22:52:58,898 INFO L78 Accepts]: Start accepts. Automaton has 7531 states and 32875 transitions. Word has length 58 [2021-11-20 22:52:58,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:52:58,899 INFO L470 AbstractCegarLoop]: Abstraction has 7531 states and 32875 transitions. [2021-11-20 22:52:58,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:52:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7531 states and 32875 transitions. [2021-11-20 22:52:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 22:52:58,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:52:58,918 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:52:58,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 22:52:59,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-20 22:52:59,123 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:52:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:52:59,123 INFO L85 PathProgramCache]: Analyzing trace with hash 95317022, now seen corresponding path program 3 times [2021-11-20 22:52:59,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:52:59,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408773289] [2021-11-20 22:52:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:52:59,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:52:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:52:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:52:59,443 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:52:59,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408773289] [2021-11-20 22:52:59,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408773289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:52:59,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930938248] [2021-11-20 22:52:59,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 22:52:59,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:52:59,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:52:59,448 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:52:59,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 22:52:59,571 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 22:52:59,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 22:52:59,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-20 22:52:59,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:52:59,865 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:52:59,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:52:59,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 22:53:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:53:00,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:53:01,218 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int)) (<= (+ c_~s_6~0 c_~t_8~0) (+ c_~s_2~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))) (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int)) (< (+ c_~s_2~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ c_~s_6~0 c_~t_8~0 1)))) is different from false [2021-11-20 22:53:01,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:53:01,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2021-11-20 22:53:01,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:53:01,391 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-20 22:53:01,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2021-11-20 22:53:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:53:01,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930938248] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:53:01,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [207774377] [2021-11-20 22:53:01,635 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:53:01,645 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:53:01,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 22 [2021-11-20 22:53:01,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777652088] [2021-11-20 22:53:01,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:53:01,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 22:53:01,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:53:01,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 22:53:01,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=428, Unknown=1, NotChecked=42, Total=552 [2021-11-20 22:53:01,647 INFO L87 Difference]: Start difference. First operand 7531 states and 32875 transitions. Second operand has 24 states, 23 states have (on average 4.434782608695652) internal successors, (102), 23 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:53:02,950 INFO L93 Difference]: Finished difference Result 14648 states and 65485 transitions. [2021-11-20 22:53:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 22:53:02,950 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.434782608695652) internal successors, (102), 23 states have internal predecessors, (102), 0 states have call successors, (0), 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 58 [2021-11-20 22:53:02,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:53:02,988 INFO L225 Difference]: With dead ends: 14648 [2021-11-20 22:53:02,988 INFO L226 Difference]: Without dead ends: 13727 [2021-11-20 22:53:02,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 98 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=256, Invalid=1007, Unknown=1, NotChecked=68, Total=1332 [2021-11-20 22:53:02,990 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 578 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 198 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 22:53:02,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 410 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1472 Invalid, 0 Unknown, 198 Unchecked, 0.9s Time] [2021-11-20 22:53:03,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-11-20 22:53:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 7707. [2021-11-20 22:53:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7707 states, 7706 states have (on average 4.3798338956657155) internal successors, (33751), 7706 states have internal predecessors, (33751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7707 states to 7707 states and 33751 transitions. [2021-11-20 22:53:03,208 INFO L78 Accepts]: Start accepts. Automaton has 7707 states and 33751 transitions. Word has length 58 [2021-11-20 22:53:03,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:53:03,208 INFO L470 AbstractCegarLoop]: Abstraction has 7707 states and 33751 transitions. [2021-11-20 22:53:03,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.434782608695652) internal successors, (102), 23 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7707 states and 33751 transitions. [2021-11-20 22:53:03,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 22:53:03,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:53:03,221 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:53:03,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 22:53:03,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:53:03,432 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:53:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:53:03,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1429218588, now seen corresponding path program 4 times [2021-11-20 22:53:03,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:53:03,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377513698] [2021-11-20 22:53:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:53:03,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:53:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:53:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:53:03,790 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:53:03,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377513698] [2021-11-20 22:53:03,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377513698] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:53:03,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696895386] [2021-11-20 22:53:03,791 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 22:53:03,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:53:03,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:53:03,792 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:53:03,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 22:53:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:53:03,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-20 22:53:03,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:53:04,239 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:53:04,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:53:04,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 22:53:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:53:04,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:53:05,814 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int)) (<= (+ c_~s_2~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ c_~s_6~0 c_~t_8~0))) (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int)) (< (+ c_~s_6~0 c_~t_8~0) (+ c_~s_2~0 (select (select (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)) 1)))) is different from false [2021-11-20 22:53:05,846 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 22:53:05,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 60 [2021-11-20 22:53:05,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 22:53:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 22:53:05,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 5 [2021-11-20 22:53:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:53:06,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696895386] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 22:53:06,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [966484227] [2021-11-20 22:53:06,108 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 22:53:06,109 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 22:53:06,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2021-11-20 22:53:06,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674402515] [2021-11-20 22:53:06,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 22:53:06,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 22:53:06,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:53:06,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 22:53:06,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=468, Unknown=1, NotChecked=44, Total=600 [2021-11-20 22:53:06,110 INFO L87 Difference]: Start difference. First operand 7707 states and 33751 transitions. Second operand has 25 states, 24 states have (on average 4.25) internal successors, (102), 24 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:07,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:53:07,458 INFO L93 Difference]: Finished difference Result 14668 states and 65543 transitions. [2021-11-20 22:53:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 22:53:07,458 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.25) internal successors, (102), 24 states have internal predecessors, (102), 0 states have call successors, (0), 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 58 [2021-11-20 22:53:07,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:53:07,501 INFO L225 Difference]: With dead ends: 14668 [2021-11-20 22:53:07,502 INFO L226 Difference]: Without dead ends: 13735 [2021-11-20 22:53:07,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 97 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=263, Invalid=1072, Unknown=1, NotChecked=70, Total=1406 [2021-11-20 22:53:07,503 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 571 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 143 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 22:53:07,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [571 Valid, 469 Invalid, 1882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1692 Invalid, 0 Unknown, 143 Unchecked, 0.9s Time] [2021-11-20 22:53:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13735 states. [2021-11-20 22:53:07,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13735 to 8023. [2021-11-20 22:53:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8023 states, 8022 states have (on average 4.386063325853902) internal successors, (35185), 8022 states have internal predecessors, (35185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 35185 transitions. [2021-11-20 22:53:07,714 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 35185 transitions. Word has length 58 [2021-11-20 22:53:07,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:53:07,715 INFO L470 AbstractCegarLoop]: Abstraction has 8023 states and 35185 transitions. [2021-11-20 22:53:07,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.25) internal successors, (102), 24 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 22:53:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 35185 transitions. [2021-11-20 22:53:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 22:53:07,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:53:07,731 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:53:07,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 22:53:07,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:53:07,932 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-20 22:53:07,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:53:07,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1068056662, now seen corresponding path program 5 times [2021-11-20 22:53:07,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:53:07,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127186791] [2021-11-20 22:53:07,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:53:07,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:53:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:53:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 22:53:08,473 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:53:08,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127186791] [2021-11-20 22:53:08,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127186791] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 22:53:08,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910241239] [2021-11-20 22:53:08,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 22:53:08,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 22:53:08,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:53:08,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 22:53:08,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4486bb49-6a80-41f0-94d0-0b7ef6053b64/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 22:53:08,653 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-20 22:53:08,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 22:53:08,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-20 22:53:08,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 22:53:08,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 22:53:08,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-20 22:53:08,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-20 22:53:09,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-20 22:53:09,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-20 22:53:09,527 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:53:09,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:53:09,684 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-20 22:53:09,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-20 22:53:09,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-20 22:53:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 22:53:09,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 22:53:24,674 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (< (+ c_~s_2~0 (select (select (let ((.cse0 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ c_~s_6~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_7~0 4) 4)) 1))) (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (<= (+ c_~s_6~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_7~0 4) 4))) (+ c_~s_2~0 (select (select (let ((.cse1 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)))))) is different from false [2021-11-20 22:53:26,706 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse0 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|)))) (<= (+ c_~s_6~0 (select (select .cse0 c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_7~0 4) 4))) (+ c_~s_2~0 (select (select (let ((.cse1 (store .cse0 |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select .cse0 |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)))))) (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse3 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|)))) (< (+ c_~s_2~0 (select (select (let ((.cse2 (store .cse3 |c_thread4Thread1of1ForFork0_~#t6~0.base| (store (select .cse3 |c_thread4Thread1of1ForFork0_~#t6~0.base|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse2 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse2 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ c_~s_6~0 (select (select .cse3 c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_7~0 4) 4)) 1))))) is different from false [2021-11-20 22:53:38,989 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_127| Int)) (or (and (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse1 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|)))) (< (+ c_~s_2~0 (select (select (let ((.cse0 (store .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ (select (select .cse1 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) 1)))) (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse2 (store |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base| (store (select |c_#memory_int| |c_thread4Thread1of1ForFork0_~#t5~0.base|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|)))) (<= (select (select .cse2 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 (select (select (let ((.cse3 (store .cse2 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse2 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))))) (<= |v_thread4Thread1of1ForFork0_~#t6~0.base_127| |c_#StackHeapBarrier|))) is different from false [2021-11-20 22:53:41,233 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_139| Int)) (or (<= |v_thread4Thread1of1ForFork0_~#t5~0.base_139| |c_#StackHeapBarrier|) (forall ((|v_thread4Thread1of1ForFork0_~#t6~0.base_127| Int)) (or (<= |v_thread4Thread1of1ForFork0_~#t6~0.base_127| |c_#StackHeapBarrier|) (and (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse1 (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_139| (store (select |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_139|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|)))) (< (+ c_~s_2~0 (select (select (let ((.cse0 (store .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ (select (select .cse1 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) 1)))) (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse2 (store |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_139| (store (select |c_#memory_int| |v_thread4Thread1of1ForFork0_~#t5~0.base_139|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|)))) (<= (select (select .cse2 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 (select (select (let ((.cse3 (store .cse2 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse2 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))))))))) is different from false [2021-11-20 22:53:43,988 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_139| Int) (|v_thread4Thread1of1ForFork0_~#t6~0.base_127| Int)) (or (<= |v_thread4Thread1of1ForFork0_~#t5~0.base_139| |c_#StackHeapBarrier|) (<= |v_thread4Thread1of1ForFork0_~#t6~0.base_127| |c_#StackHeapBarrier|) (and (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre41#1| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse1 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre41#1|)))) (store .cse2 |v_thread4Thread1of1ForFork0_~#t5~0.base_139| (store (select .cse2 |v_thread4Thread1of1ForFork0_~#t5~0.base_139|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|))))) (< (+ c_~s_2~0 (select (select (let ((.cse0 (store .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ (select (select .cse1 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) 1)))) (forall ((|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre41#1| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse3 (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre41#1|)))) (store .cse5 |v_thread4Thread1of1ForFork0_~#t5~0.base_139| (store (select .cse5 |v_thread4Thread1of1ForFork0_~#t5~0.base_139|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|))))) (<= (select (select .cse3 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 (select (select (let ((.cse4 (store .cse3 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse3 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse4 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse4 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))))))) is different from false [2021-11-20 22:53:46,538 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread4Thread1of1ForFork0_~#t5~0.base_139| Int) (|v_thread4Thread1of1ForFork0_~#t6~0.base_127| Int)) (or (<= |v_thread4Thread1of1ForFork0_~#t5~0.base_139| |c_#StackHeapBarrier|) (<= |v_thread4Thread1of1ForFork0_~#t6~0.base_127| |c_#StackHeapBarrier|) (and (forall ((|thread1Thread1of1ForFork3_~#t2~0.offset| Int) (|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre41#1| Int) (|thread1Thread1of1ForFork3_#t~pre9| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse1 (let ((.cse2 (let ((.cse3 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| (store (select |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base|) |thread1Thread1of1ForFork3_~#t2~0.offset| |thread1Thread1of1ForFork3_#t~pre9|)))) (store .cse3 |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre41#1|))))) (store .cse2 |v_thread4Thread1of1ForFork0_~#t5~0.base_139| (store (select .cse2 |v_thread4Thread1of1ForFork0_~#t5~0.base_139|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|))))) (< (+ c_~s_2~0 (select (select (let ((.cse0 (store .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse1 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (+ (select (select .cse1 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) 1)))) (forall ((|thread1Thread1of1ForFork3_~#t2~0.offset| Int) (|thread4Thread1of1ForFork0_~#t5~0.offset| Int) (|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_#t~pre23| Int) (|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre41#1| Int) (|thread1Thread1of1ForFork3_#t~pre9| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse4 (let ((.cse6 (let ((.cse7 (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base| (store (select |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t2~0.base|) |thread1Thread1of1ForFork3_~#t2~0.offset| |thread1Thread1of1ForFork3_#t~pre9|)))) (store .cse7 |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre41#1|))))) (store .cse6 |v_thread4Thread1of1ForFork0_~#t5~0.base_139| (store (select .cse6 |v_thread4Thread1of1ForFork0_~#t5~0.base_139|) |thread4Thread1of1ForFork0_~#t5~0.offset| |thread4Thread1of1ForFork0_#t~pre23|))))) (<= (select (select .cse4 c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 (select (select (let ((.cse5 (store .cse4 |v_thread4Thread1of1ForFork0_~#t6~0.base_127| (store (select .cse4 |v_thread4Thread1of1ForFork0_~#t6~0.base_127|) |thread4Thread1of1ForFork0_~#t6~0.offset| |thread4Thread1of1ForFork0_#t~pre25|)))) (store .cse5 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse5 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))))))) is different from false [2021-11-20 22:54:21,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150149282 treesize of output 149086754