./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:23:38,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:23:38,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:23:38,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:23:38,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:23:38,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:23:38,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:23:38,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:23:38,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:23:38,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:23:38,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:23:38,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:23:38,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:23:38,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:23:38,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:23:38,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:23:38,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:23:38,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:23:38,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:23:38,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:23:38,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:23:38,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:23:38,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:23:38,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:23:38,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:23:38,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:23:38,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:23:38,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:23:38,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:23:38,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:23:38,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:23:38,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:23:38,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:23:38,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:23:38,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:23:38,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:23:38,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:23:38,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:23:38,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:23:38,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:23:38,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:23:38,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:23:38,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:23:38,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:23:38,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:23:38,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:23:38,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:23:38,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:23:38,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:23:38,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:23:38,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:23:38,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:23:38,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:23:38,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:23:38,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:23:38,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:23:38,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:23:38,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:23:38,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2021-12-06 18:23:38,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:23:38,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:23:38,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:23:38,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:23:38,785 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:23:38,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-12-06 18:23:38,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/data/121d3dedc/4aa2439678b4485d8569e682767c23eb/FLAG13d5f6ea1 [2021-12-06 18:23:39,224 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:23:39,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-12-06 18:23:39,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/data/121d3dedc/4aa2439678b4485d8569e682767c23eb/FLAG13d5f6ea1 [2021-12-06 18:23:39,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/data/121d3dedc/4aa2439678b4485d8569e682767c23eb [2021-12-06 18:23:39,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:23:39,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:23:39,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:23:39,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:23:39,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:23:39,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462abd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39, skipping insertion in model container [2021-12-06 18:23:39,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:23:39,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:23:39,394 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_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-12-06 18:23:39,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:23:39,406 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:23:39,424 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_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-12-06 18:23:39,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:23:39,439 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:23:39,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39 WrapperNode [2021-12-06 18:23:39,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:23:39,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:23:39,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:23:39,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:23:39,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,477 INFO L137 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 280 [2021-12-06 18:23:39,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:23:39,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:23:39,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:23:39,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:23:39,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:23:39,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:23:39,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:23:39,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:23:39,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (1/1) ... [2021-12-06 18:23:39,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:23:39,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:23:39,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:23:39,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-06 18:23:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-06 18:23:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-06 18:23:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-06 18:23:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-06 18:23:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:23:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 18:23:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 18:23:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:23:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:23:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:23:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:23:39,562 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 18:23:39,629 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:23:39,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:23:39,908 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:23:40,055 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:23:40,055 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-06 18:23:40,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:40 BoogieIcfgContainer [2021-12-06 18:23:40,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:23:40,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:23:40,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:23:40,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:23:40,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:23:39" (1/3) ... [2021-12-06 18:23:40,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0bf13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:23:40, skipping insertion in model container [2021-12-06 18:23:40,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:39" (2/3) ... [2021-12-06 18:23:40,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0bf13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:23:40, skipping insertion in model container [2021-12-06 18:23:40,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:40" (3/3) ... [2021-12-06 18:23:40,063 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2021-12-06 18:23:40,067 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 18:23:40,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:23:40,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:23:40,068 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 18:23:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,104 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,105 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,111 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,111 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,111 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:23:40,116 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-06 18:23:40,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:23:40,156 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=PETRI_NET, 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 [2021-12-06 18:23:40,156 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-06 18:23:40,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 196 transitions, 416 flow [2021-12-06 18:23:40,235 INFO L129 PetriNetUnfolder]: 16/193 cut-off events. [2021-12-06 18:23:40,235 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 18:23:40,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 193 events. 16/193 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 110 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2021-12-06 18:23:40,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 196 transitions, 416 flow [2021-12-06 18:23:40,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 176 places, 182 transitions, 382 flow [2021-12-06 18:23:40,268 INFO L129 PetriNetUnfolder]: 16/181 cut-off events. [2021-12-06 18:23:40,268 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 18:23:40,268 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:23:40,268 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:40,269 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 18:23:40,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:40,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1467499087, now seen corresponding path program 1 times [2021-12-06 18:23:40,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:40,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463185325] [2021-12-06 18:23:40,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:40,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:23:40,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:40,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463185325] [2021-12-06 18:23:40,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463185325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:23:40,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:23:40,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:23:40,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494714758] [2021-12-06 18:23:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:40,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:23:40,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:40,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:23:40,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:23:40,475 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 196 [2021-12-06 18:23:40,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 182 transitions, 382 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:40,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:23:40,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 196 [2021-12-06 18:23:40,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:23:40,552 INFO L129 PetriNetUnfolder]: 42/316 cut-off events. [2021-12-06 18:23:40,552 INFO L130 PetriNetUnfolder]: For 49/50 co-relation queries the response was YES. [2021-12-06 18:23:40,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 316 events. 42/316 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 812 event pairs, 15 based on Foata normal form. 42/325 useless extension candidates. Maximal degree in co-relation 229. Up to 59 conditions per place. [2021-12-06 18:23:40,556 INFO L132 encePairwiseOnDemand]: 185/196 looper letters, 9 selfloop transitions, 0 changer transitions 6/171 dead transitions. [2021-12-06 18:23:40,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 171 transitions, 378 flow [2021-12-06 18:23:40,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:23:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 18:23:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 370 transitions. [2021-12-06 18:23:40,567 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9438775510204082 [2021-12-06 18:23:40,567 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 370 transitions. [2021-12-06 18:23:40,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 370 transitions. [2021-12-06 18:23:40,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:23:40,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 370 transitions. [2021-12-06 18:23:40,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 185.0) internal successors, (370), 2 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:40,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:40,580 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:40,581 INFO L186 Difference]: Start difference. First operand has 176 places, 182 transitions, 382 flow. Second operand 2 states and 370 transitions. [2021-12-06 18:23:40,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 171 transitions, 378 flow [2021-12-06 18:23:40,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 171 transitions, 366 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-06 18:23:40,588 INFO L242 Difference]: Finished difference. Result has 171 places, 165 transitions, 336 flow [2021-12-06 18:23:40,590 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=336, PETRI_PLACES=171, PETRI_TRANSITIONS=165} [2021-12-06 18:23:40,592 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, -5 predicate places. [2021-12-06 18:23:40,593 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 165 transitions, 336 flow [2021-12-06 18:23:40,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:40,593 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:23:40,593 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:40,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:23:40,594 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 18:23:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:40,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2054653840, now seen corresponding path program 1 times [2021-12-06 18:23:40,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:40,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413935321] [2021-12-06 18:23:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:40,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:40,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:23:40,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:40,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413935321] [2021-12-06 18:23:40,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413935321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:23:40,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:23:40,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:23:40,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117726946] [2021-12-06 18:23:40,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:40,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:23:40,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:40,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:23:40,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:23:40,809 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 196 [2021-12-06 18:23:40,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 165 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:40,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:23:40,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 196 [2021-12-06 18:23:40,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:23:41,005 INFO L129 PetriNetUnfolder]: 396/884 cut-off events. [2021-12-06 18:23:41,006 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-12-06 18:23:41,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1498 conditions, 884 events. 396/884 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3802 event pairs, 109 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 1495. Up to 305 conditions per place. [2021-12-06 18:23:41,014 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 51 selfloop transitions, 6 changer transitions 0/174 dead transitions. [2021-12-06 18:23:41,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 174 transitions, 470 flow [2021-12-06 18:23:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:23:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:23:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 838 transitions. [2021-12-06 18:23:41,018 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7125850340136054 [2021-12-06 18:23:41,018 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 838 transitions. [2021-12-06 18:23:41,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 838 transitions. [2021-12-06 18:23:41,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:23:41,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 838 transitions. [2021-12-06 18:23:41,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,027 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,028 INFO L186 Difference]: Start difference. First operand has 171 places, 165 transitions, 336 flow. Second operand 6 states and 838 transitions. [2021-12-06 18:23:41,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 174 transitions, 470 flow [2021-12-06 18:23:41,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 174 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:23:41,032 INFO L242 Difference]: Finished difference. Result has 172 places, 166 transitions, 361 flow [2021-12-06 18:23:41,032 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=361, PETRI_PLACES=172, PETRI_TRANSITIONS=166} [2021-12-06 18:23:41,033 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, -4 predicate places. [2021-12-06 18:23:41,033 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 166 transitions, 361 flow [2021-12-06 18:23:41,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,034 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:23:41,034 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:41,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:23:41,034 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 18:23:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:41,035 INFO L85 PathProgramCache]: Analyzing trace with hash -450776262, now seen corresponding path program 1 times [2021-12-06 18:23:41,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:41,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515130868] [2021-12-06 18:23:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:41,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:23:41,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:41,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515130868] [2021-12-06 18:23:41,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515130868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:23:41,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:23:41,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 18:23:41,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991332666] [2021-12-06 18:23:41,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:41,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 18:23:41,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:41,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 18:23:41,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:23:41,268 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 196 [2021-12-06 18:23:41,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 166 transitions, 361 flow. Second operand has 9 states, 9 states have (on average 118.0) internal successors, (1062), 9 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:23:41,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 196 [2021-12-06 18:23:41,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:23:41,606 INFO L129 PetriNetUnfolder]: 398/910 cut-off events. [2021-12-06 18:23:41,606 INFO L130 PetriNetUnfolder]: For 204/204 co-relation queries the response was YES. [2021-12-06 18:23:41,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1749 conditions, 910 events. 398/910 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3696 event pairs, 199 based on Foata normal form. 1/721 useless extension candidates. Maximal degree in co-relation 1743. Up to 525 conditions per place. [2021-12-06 18:23:41,613 INFO L132 encePairwiseOnDemand]: 180/196 looper letters, 72 selfloop transitions, 11 changer transitions 23/205 dead transitions. [2021-12-06 18:23:41,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 205 transitions, 657 flow [2021-12-06 18:23:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:23:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 18:23:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1114 transitions. [2021-12-06 18:23:41,617 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6315192743764172 [2021-12-06 18:23:41,617 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1114 transitions. [2021-12-06 18:23:41,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1114 transitions. [2021-12-06 18:23:41,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:23:41,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1114 transitions. [2021-12-06 18:23:41,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,626 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,626 INFO L186 Difference]: Start difference. First operand has 172 places, 166 transitions, 361 flow. Second operand 9 states and 1114 transitions. [2021-12-06 18:23:41,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 205 transitions, 657 flow [2021-12-06 18:23:41,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 205 transitions, 645 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 18:23:41,632 INFO L242 Difference]: Finished difference. Result has 180 places, 168 transitions, 399 flow [2021-12-06 18:23:41,632 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=399, PETRI_PLACES=180, PETRI_TRANSITIONS=168} [2021-12-06 18:23:41,633 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 4 predicate places. [2021-12-06 18:23:41,633 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 168 transitions, 399 flow [2021-12-06 18:23:41,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 9 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:41,634 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:23:41,634 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:41,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:23:41,634 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 18:23:41,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:41,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2061839142, now seen corresponding path program 1 times [2021-12-06 18:23:41,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:41,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549186520] [2021-12-06 18:23:41,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:41,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 18:23:41,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:41,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549186520] [2021-12-06 18:23:41,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549186520] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:23:41,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521496900] [2021-12-06 18:23:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:41,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:23:41,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:23:41,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:23:41,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 18:23:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:41,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:23:41,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:23:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 18:23:42,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:23:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 18:23:42,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521496900] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 18:23:42,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:23:42,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-12-06 18:23:42,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807552698] [2021-12-06 18:23:42,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:42,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:23:42,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:23:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-06 18:23:42,423 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 196 [2021-12-06 18:23:42,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 168 transitions, 399 flow. Second operand has 7 states, 7 states have (on average 146.42857142857142) internal successors, (1025), 7 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:42,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:23:42,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 196 [2021-12-06 18:23:42,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:23:42,593 INFO L129 PetriNetUnfolder]: 171/653 cut-off events. [2021-12-06 18:23:42,593 INFO L130 PetriNetUnfolder]: For 160/180 co-relation queries the response was YES. [2021-12-06 18:23:42,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 653 events. 171/653 cut-off events. For 160/180 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3024 event pairs, 80 based on Foata normal form. 20/627 useless extension candidates. Maximal degree in co-relation 1096. Up to 148 conditions per place. [2021-12-06 18:23:42,602 INFO L132 encePairwiseOnDemand]: 188/196 looper letters, 48 selfloop transitions, 7 changer transitions 0/177 dead transitions. [2021-12-06 18:23:42,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 177 transitions, 538 flow [2021-12-06 18:23:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:23:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 18:23:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1039 transitions. [2021-12-06 18:23:42,606 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7572886297376094 [2021-12-06 18:23:42,606 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1039 transitions. [2021-12-06 18:23:42,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1039 transitions. [2021-12-06 18:23:42,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:23:42,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1039 transitions. [2021-12-06 18:23:42,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 148.42857142857142) internal successors, (1039), 7 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:42,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:42,615 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:42,615 INFO L186 Difference]: Start difference. First operand has 180 places, 168 transitions, 399 flow. Second operand 7 states and 1039 transitions. [2021-12-06 18:23:42,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 177 transitions, 538 flow [2021-12-06 18:23:42,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 177 transitions, 512 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-06 18:23:42,622 INFO L242 Difference]: Finished difference. Result has 180 places, 170 transitions, 407 flow [2021-12-06 18:23:42,623 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=407, PETRI_PLACES=180, PETRI_TRANSITIONS=170} [2021-12-06 18:23:42,624 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 4 predicate places. [2021-12-06 18:23:42,624 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 170 transitions, 407 flow [2021-12-06 18:23:42,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 146.42857142857142) internal successors, (1025), 7 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:23:42,625 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:23:42,625 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:42,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:23:42,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:23:42,826 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-06 18:23:42,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:42,827 INFO L85 PathProgramCache]: Analyzing trace with hash -880522480, now seen corresponding path program 1 times [2021-12-06 18:23:42,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:42,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5749019] [2021-12-06 18:23:42,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:42,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 18:23:44,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:44,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5749019] [2021-12-06 18:23:44,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5749019] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:23:44,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57284522] [2021-12-06 18:23:44,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:44,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:23:44,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:23:44,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:23:44,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5edee8-f254-4f95-a4f0-07aa73d0aa75/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 18:23:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:44,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 108 conjunts are in the unsatisfiable core [2021-12-06 18:23:44,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:23:44,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-12-06 18:23:44,273 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 18:23:44,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 18 [2021-12-06 18:23:44,682 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 18:23:44,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-12-06 18:23:45,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2021-12-06 18:23:45,842 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-12-06 18:23:45,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2021-12-06 18:23:46,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 18:23:46,579 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 6 treesize of output 5 [2021-12-06 18:23:46,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 18:23:46,847 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 6 treesize of output 5 [2021-12-06 18:23:47,255 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:23:47,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 35 [2021-12-06 18:23:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:23:47,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:23:48,060 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int)) (or (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse0 (select .cse4 c_~B~0.base)) (.cse2 (select .cse4 c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ c_~res1~0 (select .cse0 (+ .cse1 c_~B~0.offset)) (select .cse2 (+ .cse1 c_~A~0.offset)))) (let ((.cse3 (* ~M~0 4))) (+ c_~res2~0 (select .cse0 (+ c_~B~0.offset .cse3)) (select .cse2 (+ c_~A~0.offset .cse3))))))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,140 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int)) (or (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse0 (select .cse3 c_~B~0.base)) (.cse1 (select .cse3 c_~A~0.base))) (= (+ (select .cse0 c_~B~0.offset) c_~res1~0 (select .cse1 c_~A~0.offset)) (let ((.cse2 (* ~M~0 4))) (+ c_~res2~0 (select .cse0 (+ c_~B~0.offset .cse2)) (select .cse1 (+ c_~A~0.offset .cse2))))))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,158 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int) (v_ArrVal_137 (Array Int Int))) (or (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse2 (select .cse3 c_~B~0.base)) (.cse0 (select .cse3 c_~A~0.base))) (= (let ((.cse1 (* ~M~0 4))) (+ c_~res2~0 (select .cse0 (+ c_~A~0.offset .cse1)) (select .cse2 (+ c_~B~0.offset .cse1)))) (+ (select .cse2 c_~B~0.offset) c_~res1~0 (select .cse0 c_~A~0.offset))))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,238 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (< 0 ~M~0) (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse1 (select .cse3 c_~A~0.base)) (.cse0 (select .cse3 c_~B~0.base))) (= (+ c_~res1~0 (select .cse0 c_~B~0.offset) (select .cse1 c_~A~0.offset)) (let ((.cse2 (* ~M~0 4))) (+ (select .cse1 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~B~0.offset .cse2)) c_~res2~0))))) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,404 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse0 (select .cse3 c_~A~0.base)) (.cse1 (select .cse3 |c_ULTIMATE.start_main_#t~ret19#1.base|))) (= (+ c_~res1~0 (select .cse0 c_~A~0.offset) (select .cse1 |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (let ((.cse2 (* ~M~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse1 (+ |c_ULTIMATE.start_main_#t~ret19#1.offset| .cse2)) c_~res2~0))))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,437 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (< 0 ~M~0) (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse0 (select .cse3 c_~A~0.base)) (.cse1 (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (+ c_~res1~0 (select .cse0 c_~A~0.offset) (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (let ((.cse2 (* ~M~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse2)) c_~res2~0 (select .cse1 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))))) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,455 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse1 (select .cse3 c_~A~0.base)) (.cse0 (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (+ (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~res1~0 (select .cse1 c_~A~0.offset)) (let ((.cse2 (* ~M~0 4))) (+ (select .cse1 (+ c_~A~0.offset .cse2)) c_~res2~0 (select .cse0 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,551 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_134 Int) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* |c_ULTIMATE.start_create_fresh_int_array_~i~3#1| 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_134)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse2 (select .cse3 c_~A~0.base)) (.cse0 (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (let ((.cse1 (* ~M~0 4))) (+ (select .cse0 (+ .cse1 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~res2~0 (select .cse2 (+ c_~A~0.offset .cse1)))) (+ (select .cse2 c_~A~0.offset) (select .cse0 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~res1~0)))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,613 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_134 Int) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| v_ArrVal_134)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse0 (select .cse3 c_~A~0.base)) (.cse2 (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (let ((.cse1 (* ~M~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1)) c_~res2~0 (select .cse2 (+ .cse1 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (+ (select .cse0 c_~A~0.offset) c_~res1~0 (select .cse2 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) (< 0 ~M~0) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:48,659 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int)) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_134 Int) (~M~0 Int) (v_ArrVal_137 (Array Int Int)) (v_ArrVal_136 (Array Int Int))) (or (< 0 ~M~0) (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base|) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| v_ArrVal_134)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_136) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_137) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_138))) (let ((.cse1 (select .cse3 c_~A~0.base)) (.cse0 (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base|))) (= (+ c_~res1~0 (select .cse0 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select .cse1 c_~A~0.offset)) (let ((.cse2 (* ~M~0 4))) (+ (select .cse1 (+ c_~A~0.offset .cse2)) c_~res2~0 (select .cse0 (+ .cse2 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))))) (<= (+ 2 ~M~0) c_~N~0))) is different from false [2021-12-06 18:23:53,255 INFO L354 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2021-12-06 18:23:53,255 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 197 treesize of output 104 [2021-12-06 18:23:53,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:23:53,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 147472 treesize of output 135322 [2021-12-06 18:23:53,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:23:53,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 135158 treesize of output 127038 [2021-12-06 18:23:54,191 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:23:54,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126966 treesize of output 110654 [2021-12-06 18:23:54,633 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:23:54,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 110582 treesize of output 77886