./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/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_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 01:56:13,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:56:13,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:56:13,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:56:13,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:56:13,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:56:13,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:56:13,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:56:13,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:56:13,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:56:13,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:56:13,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:56:13,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:56:13,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:56:13,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:56:13,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:56:13,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:56:13,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:56:13,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:56:13,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:56:13,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:56:13,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:56:13,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:56:13,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:56:13,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:56:13,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:56:13,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:56:13,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:56:13,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:56:13,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:56:13,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:56:13,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:56:13,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:56:13,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:56:13,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:56:13,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:56:13,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:56:13,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:56:13,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:56:13,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:56:13,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:56:13,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 01:56:13,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:56:13,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:56:13,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:56:13,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:56:13,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:56:13,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:56:13,789 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:56:13,789 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:56:13,789 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:56:13,790 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:56:13,790 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:56:13,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:56:13,790 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:56:13,790 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:56:13,791 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:56:13,791 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:56:13,791 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:56:13,791 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:56:13,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:56:13,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:56:13,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:56:13,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:56:13,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:56:13,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:56:13,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:56:13,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:56:13,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:56:13,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:56:13,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:56:13,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:56:13,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:56:13,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:56:13,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:56:13,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:56:13,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:56:13,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:56:13,801 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:56:13,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:56:13,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:56:13,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:56:13,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:56:13,802 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_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86 [2021-11-23 01:56:14,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:56:14,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:56:14,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:56:14,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:56:14,074 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:56:14,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-23 01:56:14,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/data/8a71ac8bb/5bf123ada2914b7fa450b713e7c304af/FLAG7023cf076 [2021-11-23 01:56:14,742 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:56:14,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2021-11-23 01:56:14,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/data/8a71ac8bb/5bf123ada2914b7fa450b713e7c304af/FLAG7023cf076 [2021-11-23 01:56:15,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/data/8a71ac8bb/5bf123ada2914b7fa450b713e7c304af [2021-11-23 01:56:15,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:56:15,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:56:15,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:56:15,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:56:15,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:56:15,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6614092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15, skipping insertion in model container [2021-11-23 01:56:15,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:56:15,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:56:15,366 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_97138f89-906c-477e-a067-55d0d2ec6f62/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-23 01:56:15,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:56:15,385 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:56:15,415 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_97138f89-906c-477e-a067-55d0d2ec6f62/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385] [2021-11-23 01:56:15,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:56:15,456 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:56:15,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15 WrapperNode [2021-11-23 01:56:15,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:56:15,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:56:15,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:56:15,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:56:15,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,518 INFO L137 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 289 [2021-11-23 01:56:15,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:56:15,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:56:15,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:56:15,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:56:15,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:56:15,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:56:15,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:56:15,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:56:15,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (1/1) ... [2021-11-23 01:56:15,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:56:15,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:15,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:56:15,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:56:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:56:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:56:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:56:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:56:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:56:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:56:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:56:15,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:56:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:56:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:56:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:56:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:56:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:56:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 01:56:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 01:56:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 01:56:15,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 01:56:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:56:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:56:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:56:15,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:56:15,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:56:15,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:56:15,718 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:56:15,860 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:56:15,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:56:16,418 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:56:16,605 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:56:16,610 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:56:16,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:16 BoogieIcfgContainer [2021-11-23 01:56:16,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:56:16,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:56:16,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:56:16,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:56:16,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:56:15" (1/3) ... [2021-11-23 01:56:16,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbd3faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:16, skipping insertion in model container [2021-11-23 01:56:16,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:15" (2/3) ... [2021-11-23 01:56:16,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbd3faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:16, skipping insertion in model container [2021-11-23 01:56:16,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:16" (3/3) ... [2021-11-23 01:56:16,626 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2021-11-23 01:56:16,637 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 01:56:16,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:56:16,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 01:56:16,638 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 01:56:16,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,693 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,694 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,695 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,696 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,697 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,698 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,718 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,720 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,721 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,722 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,723 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,724 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,725 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,726 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,727 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,731 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,732 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,733 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,734 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,735 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,736 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,737 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,738 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,739 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,740 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,742 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,743 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,745 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,745 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,746 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,747 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,748 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,749 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,749 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,749 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,749 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,749 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,750 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,750 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,750 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,750 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,750 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,751 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,751 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,751 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,751 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,751 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,752 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,752 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,752 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,752 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,752 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,753 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,754 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,755 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,756 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,761 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,761 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,761 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,761 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,762 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,762 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,762 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,762 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,762 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,763 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,770 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,770 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,771 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,771 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,771 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,771 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,772 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,772 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,773 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,773 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,773 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,773 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,774 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,774 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,774 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,774 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,775 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,787 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,787 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,788 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,788 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,788 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,788 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,788 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,789 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,789 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,789 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,789 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,789 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,789 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,790 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,790 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,790 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,790 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,790 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,791 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,791 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,791 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,791 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,791 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,792 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,792 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,792 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,792 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,792 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,792 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,793 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,793 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,793 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,793 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,794 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,794 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,794 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,794 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,794 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,795 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,795 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,795 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,795 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,795 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,796 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,796 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,796 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,796 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,796 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,796 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,797 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,797 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,797 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,797 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,797 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,798 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,799 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,799 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,799 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,799 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,799 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,822 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,822 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,822 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,822 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,822 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,823 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,823 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,823 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,823 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,828 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,829 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,829 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,829 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,829 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,829 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,830 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~pre25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,830 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,830 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,830 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,830 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,831 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,834 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,834 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,835 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,835 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,835 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,835 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,835 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,836 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,836 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,836 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,836 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,836 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,836 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,837 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,837 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,838 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,839 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,840 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,841 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,842 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,843 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,843 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,843 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,844 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,844 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,844 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,844 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,844 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,845 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,845 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,845 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,845 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,845 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,845 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,846 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,846 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,849 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,850 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,850 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,850 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,850 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,850 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,853 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,854 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,854 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,854 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,854 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,854 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,855 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,855 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,855 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,855 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,855 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,856 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,856 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,857 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~ret22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,857 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,857 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,857 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,857 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,858 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,858 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,858 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,858 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,858 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,858 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,859 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,859 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork5_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 01:56:16,872 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-11-23 01:56:16,933 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:56:16,940 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 [2021-11-23 01:56:16,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-23 01:56:16,957 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 01:56:16,971 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 260 transitions, 592 flow [2021-11-23 01:56:16,974 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 260 transitions, 592 flow [2021-11-23 01:56:16,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 260 transitions, 592 flow [2021-11-23 01:56:17,090 INFO L129 PetriNetUnfolder]: 18/232 cut-off events. [2021-11-23 01:56:17,090 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-23 01:56:17,099 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. [2021-11-23 01:56:17,109 INFO L116 LiptonReduction]: Number of co-enabled transitions 7312 [2021-11-23 01:56:24,781 INFO L131 LiptonReduction]: Checked pairs total: 34442 [2021-11-23 01:56:24,783 INFO L133 LiptonReduction]: Total number of compositions: 209 [2021-11-23 01:56:24,797 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 236 flow [2021-11-23 01:56:25,168 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) [2021-11-23 01:56:25,194 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) [2021-11-23 01:56:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:56:25,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:25,298 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] [2021-11-23 01:56:25,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:25,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:25,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1280862847, now seen corresponding path program 1 times [2021-11-23 01:56:25,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:25,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172310548] [2021-11-23 01:56:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:25,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:25,924 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:25,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172310548] [2021-11-23 01:56:25,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172310548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:25,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:25,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:56:25,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008279739] [2021-11-23 01:56:25,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:25,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:56:25,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:25,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:56:25,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:56:25,986 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) [2021-11-23 01:56:26,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:26,580 INFO L93 Difference]: Finished difference Result 13912 states and 64497 transitions. [2021-11-23 01:56:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:56:26,582 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 [2021-11-23 01:56:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:26,908 INFO L225 Difference]: With dead ends: 13912 [2021-11-23 01:56:26,908 INFO L226 Difference]: Without dead ends: 13731 [2021-11-23 01:56:26,910 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 [2021-11-23 01:56:26,914 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 [2021-11-23 01:56:26,915 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] [2021-11-23 01:56:26,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13731 states. [2021-11-23 01:56:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13731 to 6927. [2021-11-23 01:56:27,729 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) [2021-11-23 01:56:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6927 states to 6927 states and 31001 transitions. [2021-11-23 01:56:27,914 INFO L78 Accepts]: Start accepts. Automaton has 6927 states and 31001 transitions. Word has length 52 [2021-11-23 01:56:27,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:27,916 INFO L470 AbstractCegarLoop]: Abstraction has 6927 states and 31001 transitions. [2021-11-23 01:56:27,917 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) [2021-11-23 01:56:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6927 states and 31001 transitions. [2021-11-23 01:56:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:56:27,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:27,951 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] [2021-11-23 01:56:27,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:56:27,952 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:27,954 INFO L85 PathProgramCache]: Analyzing trace with hash -640587647, now seen corresponding path program 2 times [2021-11-23 01:56:27,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:27,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343782331] [2021-11-23 01:56:27,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:27,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:28,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:28,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343782331] [2021-11-23 01:56:28,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343782331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:28,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:28,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:56:28,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839432663] [2021-11-23 01:56:28,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:28,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:56:28,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:28,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:56:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:56:28,170 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) [2021-11-23 01:56:28,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:28,958 INFO L93 Difference]: Finished difference Result 15380 states and 71210 transitions. [2021-11-23 01:56:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:56:28,959 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 [2021-11-23 01:56:28,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:29,235 INFO L225 Difference]: With dead ends: 15380 [2021-11-23 01:56:29,237 INFO L226 Difference]: Without dead ends: 15199 [2021-11-23 01:56:29,237 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 [2021-11-23 01:56:29,251 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:29,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 90 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 01:56:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15199 states. [2021-11-23 01:56:29,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15199 to 7065. [2021-11-23 01:56:29,998 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) [2021-11-23 01:56:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 31520 transitions. [2021-11-23 01:56:30,044 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 31520 transitions. Word has length 52 [2021-11-23 01:56:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:30,044 INFO L470 AbstractCegarLoop]: Abstraction has 7065 states and 31520 transitions. [2021-11-23 01:56:30,045 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) [2021-11-23 01:56:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 31520 transitions. [2021-11-23 01:56:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:56:30,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:30,078 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] [2021-11-23 01:56:30,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:56:30,079 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:30,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:30,079 INFO L85 PathProgramCache]: Analyzing trace with hash 848648602, now seen corresponding path program 1 times [2021-11-23 01:56:30,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:30,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527530517] [2021-11-23 01:56:30,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:30,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:30,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:30,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527530517] [2021-11-23 01:56:30,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527530517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:30,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:30,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:56:30,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299977711] [2021-11-23 01:56:30,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:30,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:56:30,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:30,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:56:30,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:56:30,213 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) [2021-11-23 01:56:30,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:30,606 INFO L93 Difference]: Finished difference Result 12117 states and 51300 transitions. [2021-11-23 01:56:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:56:30,607 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 [2021-11-23 01:56:30,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:30,729 INFO L225 Difference]: With dead ends: 12117 [2021-11-23 01:56:30,729 INFO L226 Difference]: Without dead ends: 11621 [2021-11-23 01:56:30,730 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 [2021-11-23 01:56:30,731 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 151 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:30,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 82 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 01:56:30,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11621 states. [2021-11-23 01:56:31,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11621 to 10413. [2021-11-23 01:56:31,304 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) [2021-11-23 01:56:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10413 states to 10413 states and 45125 transitions. [2021-11-23 01:56:31,542 INFO L78 Accepts]: Start accepts. Automaton has 10413 states and 45125 transitions. Word has length 54 [2021-11-23 01:56:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:31,544 INFO L470 AbstractCegarLoop]: Abstraction has 10413 states and 45125 transitions. [2021-11-23 01:56:31,544 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) [2021-11-23 01:56:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10413 states and 45125 transitions. [2021-11-23 01:56:31,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:56:31,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:31,615 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] [2021-11-23 01:56:31,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:56:31,616 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:31,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:31,617 INFO L85 PathProgramCache]: Analyzing trace with hash -734343789, now seen corresponding path program 1 times [2021-11-23 01:56:31,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:31,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295516765] [2021-11-23 01:56:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:31,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:31,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:31,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295516765] [2021-11-23 01:56:31,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295516765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:31,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:31,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:56:31,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338567726] [2021-11-23 01:56:31,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:31,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:56:31,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:31,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:56:31,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:56:31,824 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) [2021-11-23 01:56:32,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:32,227 INFO L93 Difference]: Finished difference Result 8631 states and 35249 transitions. [2021-11-23 01:56:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:56:32,228 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 [2021-11-23 01:56:32,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:32,271 INFO L225 Difference]: With dead ends: 8631 [2021-11-23 01:56:32,271 INFO L226 Difference]: Without dead ends: 6868 [2021-11-23 01:56:32,272 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 [2021-11-23 01:56:32,273 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 [2021-11-23 01:56:32,273 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] [2021-11-23 01:56:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6868 states. [2021-11-23 01:56:32,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6868 to 6868. [2021-11-23 01:56:32,509 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) [2021-11-23 01:56:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 29534 transitions. [2021-11-23 01:56:32,553 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 29534 transitions. Word has length 54 [2021-11-23 01:56:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:32,554 INFO L470 AbstractCegarLoop]: Abstraction has 6868 states and 29534 transitions. [2021-11-23 01:56:32,554 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) [2021-11-23 01:56:32,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 29534 transitions. [2021-11-23 01:56:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:56:32,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:32,584 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] [2021-11-23 01:56:32,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:56:32,585 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:32,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:32,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1342910794, now seen corresponding path program 1 times [2021-11-23 01:56:32,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:32,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342261373] [2021-11-23 01:56:32,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:32,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:32,878 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:32,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342261373] [2021-11-23 01:56:32,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342261373] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:32,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584867564] [2021-11-23 01:56:32,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:32,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:32,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:32,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:56:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:33,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:56:33,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:33,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:56:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:33,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584867564] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:56:33,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [656108817] [2021-11-23 01:56:33,478 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) [2021-11-23 01:56:33,479 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:56:33,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-11-23 01:56:33,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984607463] [2021-11-23 01:56:33,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:56:33,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 01:56:33,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:33,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 01:56:33,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:56:33,481 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) [2021-11-23 01:56:33,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:33,899 INFO L93 Difference]: Finished difference Result 11722 states and 46403 transitions. [2021-11-23 01:56:33,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 01:56:33,899 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 [2021-11-23 01:56:33,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:33,951 INFO L225 Difference]: With dead ends: 11722 [2021-11-23 01:56:33,951 INFO L226 Difference]: Without dead ends: 10214 [2021-11-23 01:56:33,952 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 [2021-11-23 01:56:33,954 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 409 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:33,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 168 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 01:56:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10214 states. [2021-11-23 01:56:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10214 to 7972. [2021-11-23 01:56:34,284 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) [2021-11-23 01:56:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7972 states to 7972 states and 32635 transitions. [2021-11-23 01:56:34,333 INFO L78 Accepts]: Start accepts. Automaton has 7972 states and 32635 transitions. Word has length 55 [2021-11-23 01:56:34,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:34,333 INFO L470 AbstractCegarLoop]: Abstraction has 7972 states and 32635 transitions. [2021-11-23 01:56:34,334 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) [2021-11-23 01:56:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 7972 states and 32635 transitions. [2021-11-23 01:56:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:56:34,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:34,366 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] [2021-11-23 01:56:34,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 01:56:34,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:34,580 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1369064111, now seen corresponding path program 1 times [2021-11-23 01:56:34,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:34,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342759687] [2021-11-23 01:56:34,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:34,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:34,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:34,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342759687] [2021-11-23 01:56:34,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342759687] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:34,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637241617] [2021-11-23 01:56:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:34,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:34,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:34,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:34,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:56:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:34,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:56:34,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:35,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:56:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:56:35,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637241617] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:56:35,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [179901164] [2021-11-23 01:56:35,365 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) [2021-11-23 01:56:35,366 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:56:35,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-11-23 01:56:35,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887154812] [2021-11-23 01:56:35,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:56:35,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 01:56:35,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:35,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 01:56:35,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:56:35,369 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) [2021-11-23 01:56:35,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:35,812 INFO L93 Difference]: Finished difference Result 7224 states and 28891 transitions. [2021-11-23 01:56:35,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 01:56:35,813 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 [2021-11-23 01:56:35,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:35,841 INFO L225 Difference]: With dead ends: 7224 [2021-11-23 01:56:35,841 INFO L226 Difference]: Without dead ends: 6407 [2021-11-23 01:56:35,842 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 [2021-11-23 01:56:35,843 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 [2021-11-23 01:56:35,843 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] [2021-11-23 01:56:35,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2021-11-23 01:56:36,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6407. [2021-11-23 01:56:36,080 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) [2021-11-23 01:56:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6407 states to 6407 states and 26605 transitions. [2021-11-23 01:56:36,119 INFO L78 Accepts]: Start accepts. Automaton has 6407 states and 26605 transitions. Word has length 55 [2021-11-23 01:56:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:36,120 INFO L470 AbstractCegarLoop]: Abstraction has 6407 states and 26605 transitions. [2021-11-23 01:56:36,120 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) [2021-11-23 01:56:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 6407 states and 26605 transitions. [2021-11-23 01:56:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:56:36,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:36,147 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] [2021-11-23 01:56:36,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 01:56:36,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:36,372 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:36,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:36,372 INFO L85 PathProgramCache]: Analyzing trace with hash -561775334, now seen corresponding path program 2 times [2021-11-23 01:56:36,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:36,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670462311] [2021-11-23 01:56:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:36,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:36,521 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:36,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670462311] [2021-11-23 01:56:36,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670462311] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:36,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614259641] [2021-11-23 01:56:36,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 01:56:36,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:36,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:36,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:36,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 01:56:36,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 01:56:36,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 01:56:36,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:56:36,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:37,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:56:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:37,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614259641] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:37,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 01:56:37,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-11-23 01:56:37,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573881344] [2021-11-23 01:56:37,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:37,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 01:56:37,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:37,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 01:56:37,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:56:37,217 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) [2021-11-23 01:56:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:37,371 INFO L93 Difference]: Finished difference Result 6339 states and 26915 transitions. [2021-11-23 01:56:37,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:56:37,372 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 [2021-11-23 01:56:37,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:37,397 INFO L225 Difference]: With dead ends: 6339 [2021-11-23 01:56:37,398 INFO L226 Difference]: Without dead ends: 6339 [2021-11-23 01:56:37,398 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 [2021-11-23 01:56:37,399 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 [2021-11-23 01:56:37,399 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] [2021-11-23 01:56:37,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6339 states. [2021-11-23 01:56:37,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6339 to 5715. [2021-11-23 01:56:37,583 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) [2021-11-23 01:56:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 24463 transitions. [2021-11-23 01:56:37,610 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 24463 transitions. Word has length 56 [2021-11-23 01:56:37,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:37,610 INFO L470 AbstractCegarLoop]: Abstraction has 5715 states and 24463 transitions. [2021-11-23 01:56:37,610 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) [2021-11-23 01:56:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 24463 transitions. [2021-11-23 01:56:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:56:37,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:37,629 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] [2021-11-23 01:56:37,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 01:56:37,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:37,856 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:37,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:37,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2144767725, now seen corresponding path program 2 times [2021-11-23 01:56:37,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:37,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083185974] [2021-11-23 01:56:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:37,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:37,956 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:37,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083185974] [2021-11-23 01:56:37,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083185974] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:37,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256973622] [2021-11-23 01:56:37,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 01:56:37,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:37,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:37,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:37,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 01:56:38,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 01:56:38,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 01:56:38,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:56:38,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:38,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:56:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:56:38,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256973622] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:38,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 01:56:38,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-11-23 01:56:38,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244050987] [2021-11-23 01:56:38,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:38,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 01:56:38,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:38,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 01:56:38,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:56:38,432 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) [2021-11-23 01:56:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:38,596 INFO L93 Difference]: Finished difference Result 6387 states and 27545 transitions. [2021-11-23 01:56:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:56:38,597 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 [2021-11-23 01:56:38,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:38,622 INFO L225 Difference]: With dead ends: 6387 [2021-11-23 01:56:38,622 INFO L226 Difference]: Without dead ends: 6387 [2021-11-23 01:56:38,623 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 [2021-11-23 01:56:38,624 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 [2021-11-23 01:56:38,625 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] [2021-11-23 01:56:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2021-11-23 01:56:38,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 6387. [2021-11-23 01:56:38,838 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) [2021-11-23 01:56:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6387 states to 6387 states and 27545 transitions. [2021-11-23 01:56:38,870 INFO L78 Accepts]: Start accepts. Automaton has 6387 states and 27545 transitions. Word has length 56 [2021-11-23 01:56:38,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:38,870 INFO L470 AbstractCegarLoop]: Abstraction has 6387 states and 27545 transitions. [2021-11-23 01:56:38,870 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) [2021-11-23 01:56:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6387 states and 27545 transitions. [2021-11-23 01:56:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:56:38,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:38,893 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] [2021-11-23 01:56:38,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 01:56:39,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-23 01:56:39,120 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:39,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:39,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1983109778, now seen corresponding path program 1 times [2021-11-23 01:56:39,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:39,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397811786] [2021-11-23 01:56:39,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:39,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:56:39,594 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:39,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397811786] [2021-11-23 01:56:39,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397811786] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:39,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628364469] [2021-11-23 01:56:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:39,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:39,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:39,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:39,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 01:56:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:39,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:56:39,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:40,192 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:56:40,193 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 [2021-11-23 01:56:40,381 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 [2021-11-23 01:56:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:56:40,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:56:41,833 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 [2021-11-23 01:56:43,877 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:56:43,878 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 [2021-11-23 01:56:43,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:56:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:56:43,944 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 [2021-11-23 01:56:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 1 not checked. [2021-11-23 01:56:44,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628364469] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:56:44,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864032480] [2021-11-23 01:56:44,264 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) [2021-11-23 01:56:44,266 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:56:44,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 24 [2021-11-23 01:56:44,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245602478] [2021-11-23 01:56:44,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:56:44,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-23 01:56:44,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:44,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-23 01:56:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=510, Unknown=2, NotChecked=46, Total=650 [2021-11-23 01:56:44,269 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) [2021-11-23 01:56:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:46,328 INFO L93 Difference]: Finished difference Result 14210 states and 63162 transitions. [2021-11-23 01:56:46,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 01:56:46,329 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 [2021-11-23 01:56:46,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:46,381 INFO L225 Difference]: With dead ends: 14210 [2021-11-23 01:56:46,382 INFO L226 Difference]: Without dead ends: 13289 [2021-11-23 01:56:46,382 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 [2021-11-23 01:56:46,383 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 698 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:46,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [698 Valid, 495 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1894 Invalid, 0 Unknown, 516 Unchecked, 1.4s Time] [2021-11-23 01:56:46,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13289 states. [2021-11-23 01:56:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13289 to 7427. [2021-11-23 01:56:46,764 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) [2021-11-23 01:56:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7427 states to 7427 states and 32347 transitions. [2021-11-23 01:56:46,812 INFO L78 Accepts]: Start accepts. Automaton has 7427 states and 32347 transitions. Word has length 58 [2021-11-23 01:56:46,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:46,813 INFO L470 AbstractCegarLoop]: Abstraction has 7427 states and 32347 transitions. [2021-11-23 01:56:46,813 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) [2021-11-23 01:56:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7427 states and 32347 transitions. [2021-11-23 01:56:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:56:46,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:46,838 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] [2021-11-23 01:56:46,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 01:56:47,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-23 01:56:47,064 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:56:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash -579904936, now seen corresponding path program 2 times [2021-11-23 01:56:47,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:47,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180035898] [2021-11-23 01:56:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:47,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:56:47,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:47,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180035898] [2021-11-23 01:56:47,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180035898] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:56:47,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354854955] [2021-11-23 01:56:47,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 01:56:47,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:56:47,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:56:47,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:56:47,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 01:56:47,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 01:56:47,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 01:56:47,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:56:47,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:56:48,545 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:56:48,546 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 [2021-11-23 01:56:48,800 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:56:48,800 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 [2021-11-23 01:56:48,860 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 [2021-11-23 01:56:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:56:48,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:57:08,113 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 c_~t_8~0 1))) (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (<= (+ c_~s_6~0 c_~t_8~0) (+ 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 [2021-11-23 01:57:08,133 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:57:08,133 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 [2021-11-23 01:57:08,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:08,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:08,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:08,354 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 [2021-11-23 01:57:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:08,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354854955] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:57:08,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [865937411] [2021-11-23 01:57:08,685 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) [2021-11-23 01:57:08,686 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:57:08,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-11-23 01:57:08,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217367968] [2021-11-23 01:57:08,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:57:08,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-23 01:57:08,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:08,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-23 01:57:08,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=843, Unknown=9, NotChecked=60, Total=1056 [2021-11-23 01:57:08,689 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) [2021-11-23 01:57:10,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:10,727 INFO L93 Difference]: Finished difference Result 14996 states and 66853 transitions. [2021-11-23 01:57:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 01:57:10,727 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 [2021-11-23 01:57:10,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:10,780 INFO L225 Difference]: With dead ends: 14996 [2021-11-23 01:57:10,781 INFO L226 Difference]: Without dead ends: 14195 [2021-11-23 01:57:10,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 97 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=440, Invalid=1811, Unknown=9, NotChecked=92, Total=2352 [2021-11-23 01:57:10,782 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 875 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 477 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:10,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [875 Valid, 527 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1891 Invalid, 0 Unknown, 477 Unchecked, 1.2s Time] [2021-11-23 01:57:10,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14195 states. [2021-11-23 01:57:11,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14195 to 7427. [2021-11-23 01:57:11,159 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) [2021-11-23 01:57:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7427 states to 7427 states and 32347 transitions. [2021-11-23 01:57:11,206 INFO L78 Accepts]: Start accepts. Automaton has 7427 states and 32347 transitions. Word has length 58 [2021-11-23 01:57:11,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:11,208 INFO L470 AbstractCegarLoop]: Abstraction has 7427 states and 32347 transitions. [2021-11-23 01:57:11,208 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) [2021-11-23 01:57:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7427 states and 32347 transitions. [2021-11-23 01:57:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:57:11,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:11,237 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] [2021-11-23 01:57:11,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 01:57:11,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 01:57:11,452 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:57:11,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:11,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1674579728, now seen corresponding path program 1 times [2021-11-23 01:57:11,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:11,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810310123] [2021-11-23 01:57:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:11,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:12,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:12,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810310123] [2021-11-23 01:57:12,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810310123] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:57:12,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112304745] [2021-11-23 01:57:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:12,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:12,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:12,126 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:57:12,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 01:57:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:12,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:57:12,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:57:12,796 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:57:12,797 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 [2021-11-23 01:57:13,082 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:57:13,083 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 [2021-11-23 01:57:13,137 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 [2021-11-23 01:57:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:13,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:57:23,084 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 c_~t_8~0 1))) (forall ((|thread4Thread1of1ForFork0_#t~pre25| Int) (|thread4Thread1of1ForFork0_~#t6~0.offset| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (<= (+ c_~s_6~0 c_~t_8~0) (+ 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 [2021-11-23 01:57:23,100 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:57:23,100 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 [2021-11-23 01:57:23,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:23,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:23,395 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-23 01:57:23,395 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 [2021-11-23 01:57:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:23,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112304745] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:57:23,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1221813110] [2021-11-23 01:57:23,777 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) [2021-11-23 01:57:23,778 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:57:23,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2021-11-23 01:57:23,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926215865] [2021-11-23 01:57:23,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:57:23,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-23 01:57:23,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:23,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-23 01:57:23,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=845, Unknown=7, NotChecked=60, Total=1056 [2021-11-23 01:57:23,782 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) [2021-11-23 01:57:27,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:27,867 INFO L93 Difference]: Finished difference Result 13852 states and 61761 transitions. [2021-11-23 01:57:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 01:57:27,868 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 [2021-11-23 01:57:27,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:27,913 INFO L225 Difference]: With dead ends: 13852 [2021-11-23 01:57:27,913 INFO L226 Difference]: Without dead ends: 12971 [2021-11-23 01:57:27,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 94 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=440, Invalid=1811, Unknown=9, NotChecked=92, Total=2352 [2021-11-23 01:57:27,914 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 761 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 373 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:27,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 478 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2019 Invalid, 0 Unknown, 373 Unchecked, 1.4s Time] [2021-11-23 01:57:27,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12971 states. [2021-11-23 01:57:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12971 to 7531. [2021-11-23 01:57:28,143 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) [2021-11-23 01:57:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7531 states to 7531 states and 32875 transitions. [2021-11-23 01:57:28,178 INFO L78 Accepts]: Start accepts. Automaton has 7531 states and 32875 transitions. Word has length 58 [2021-11-23 01:57:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:28,178 INFO L470 AbstractCegarLoop]: Abstraction has 7531 states and 32875 transitions. [2021-11-23 01:57:28,178 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) [2021-11-23 01:57:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7531 states and 32875 transitions. [2021-11-23 01:57:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:57:28,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:28,194 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] [2021-11-23 01:57:28,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 01:57:28,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:28,396 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:57:28,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash 95317022, now seen corresponding path program 3 times [2021-11-23 01:57:28,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:28,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360101257] [2021-11-23 01:57:28,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:28,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:28,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:28,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360101257] [2021-11-23 01:57:28,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360101257] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:57:28,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050568584] [2021-11-23 01:57:28,703 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 01:57:28,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:28,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:28,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:57:28,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 01:57:28,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 01:57:28,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 01:57:28,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:57:28,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:57:29,142 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:57:29,142 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 [2021-11-23 01:57:29,214 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 [2021-11-23 01:57:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:29,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:57:33,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:57:33,359 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 [2021-11-23 01:57:33,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:33,399 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-23 01:57:33,399 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 [2021-11-23 01:57:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:33,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050568584] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:57:33,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [880029552] [2021-11-23 01:57:33,615 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) [2021-11-23 01:57:33,616 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:57:33,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 22 [2021-11-23 01:57:33,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006809740] [2021-11-23 01:57:33,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:57:33,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-23 01:57:33,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:33,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-23 01:57:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-11-23 01:57:33,618 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) [2021-11-23 01:57:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:34,957 INFO L93 Difference]: Finished difference Result 14648 states and 65485 transitions. [2021-11-23 01:57:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 01:57:34,957 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 [2021-11-23 01:57:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:35,003 INFO L225 Difference]: With dead ends: 14648 [2021-11-23 01:57:35,003 INFO L226 Difference]: Without dead ends: 13727 [2021-11-23 01:57:35,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 98 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=261, Invalid=1071, Unknown=0, NotChecked=0, Total=1332 [2021-11-23 01:57:35,004 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 493 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:35,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 467 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 01:57:35,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-11-23 01:57:35,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 7707. [2021-11-23 01:57:35,275 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) [2021-11-23 01:57:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7707 states to 7707 states and 33751 transitions. [2021-11-23 01:57:35,314 INFO L78 Accepts]: Start accepts. Automaton has 7707 states and 33751 transitions. Word has length 58 [2021-11-23 01:57:35,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:35,315 INFO L470 AbstractCegarLoop]: Abstraction has 7707 states and 33751 transitions. [2021-11-23 01:57:35,315 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) [2021-11-23 01:57:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 7707 states and 33751 transitions. [2021-11-23 01:57:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:57:35,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:35,337 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] [2021-11-23 01:57:35,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 01:57:35,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:35,552 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:57:35,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:35,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1429218588, now seen corresponding path program 4 times [2021-11-23 01:57:35,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:35,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423111043] [2021-11-23 01:57:35,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:35,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:35,918 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:35,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423111043] [2021-11-23 01:57:35,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423111043] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:57:35,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483777751] [2021-11-23 01:57:35,919 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-23 01:57:35,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:35,920 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:57:35,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 01:57:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:36,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:57:36,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:57:36,358 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:57:36,359 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 [2021-11-23 01:57:36,455 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 [2021-11-23 01:57:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:36,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:57:42,054 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:57:42,054 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 [2021-11-23 01:57:42,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:57:42,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:57:42,112 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 [2021-11-23 01:57:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:42,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483777751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:57:42,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [512660737] [2021-11-23 01:57:42,393 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) [2021-11-23 01:57:42,393 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 01:57:42,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2021-11-23 01:57:42,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784754302] [2021-11-23 01:57:42,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 01:57:42,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-23 01:57:42,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:42,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-23 01:57:42,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=509, Unknown=1, NotChecked=0, Total=600 [2021-11-23 01:57:42,396 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) [2021-11-23 01:57:43,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:43,610 INFO L93 Difference]: Finished difference Result 14668 states and 65543 transitions. [2021-11-23 01:57:43,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 01:57:43,610 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 [2021-11-23 01:57:43,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:43,651 INFO L225 Difference]: With dead ends: 14668 [2021-11-23 01:57:43,652 INFO L226 Difference]: Without dead ends: 13735 [2021-11-23 01:57:43,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 99 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=268, Invalid=1137, Unknown=1, NotChecked=0, Total=1406 [2021-11-23 01:57:43,653 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 532 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 181 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:43,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 473 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1588 Invalid, 0 Unknown, 181 Unchecked, 0.8s Time] [2021-11-23 01:57:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13735 states. [2021-11-23 01:57:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13735 to 8023. [2021-11-23 01:57:43,921 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) [2021-11-23 01:57:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 35185 transitions. [2021-11-23 01:57:43,947 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 35185 transitions. Word has length 58 [2021-11-23 01:57:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:43,947 INFO L470 AbstractCegarLoop]: Abstraction has 8023 states and 35185 transitions. [2021-11-23 01:57:43,947 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) [2021-11-23 01:57:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 35185 transitions. [2021-11-23 01:57:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:57:43,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:43,962 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] [2021-11-23 01:57:43,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-23 01:57:44,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-23 01:57:44,163 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATION, thread1Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATION (and 7 more)] === [2021-11-23 01:57:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:44,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1068056662, now seen corresponding path program 5 times [2021-11-23 01:57:44,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:44,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472689233] [2021-11-23 01:57:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:44,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:44,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:44,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472689233] [2021-11-23 01:57:44,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472689233] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:57:44,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722290131] [2021-11-23 01:57:44,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 01:57:44,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:57:44,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:44,618 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:57:44,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97138f89-906c-477e-a067-55d0d2ec6f62/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-23 01:57:44,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 01:57:44,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 01:57:44,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 01:57:44,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:57:44,914 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 [2021-11-23 01:57:44,946 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 [2021-11-23 01:57:45,121 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 [2021-11-23 01:57:45,175 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 [2021-11-23 01:57:45,422 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 [2021-11-23 01:57:45,567 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:57:45,567 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 [2021-11-23 01:57:45,731 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-23 01:57:45,731 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 [2021-11-23 01:57:45,798 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 [2021-11-23 01:57:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:45,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:58:06,701 WARN L227 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:36,373 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:58:59,703 WARN L227 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:59:01,742 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 [2021-11-23 01:59:03,990 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 [2021-11-23 01:59:06,970 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 [2021-11-23 01:59:09,585 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 [2021-11-23 01:59:56,463 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