./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i --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_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/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_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/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_6c13c180-eadd-49b4-a566-70102e0347dd/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 16b049fb81e05ec2192b5dc6cabf7c8b89c1486d4e623332a0a01a89383c6c7d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:13:46,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:13:46,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:13:46,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:13:46,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:13:46,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:13:46,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:13:46,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:13:46,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:13:46,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:13:46,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:13:46,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:13:46,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:13:46,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:13:46,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:13:46,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:13:46,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:13:46,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:13:46,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:13:46,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:13:46,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:13:46,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:13:46,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:13:46,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:13:46,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:13:46,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:13:46,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:13:46,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:13:46,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:13:46,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:13:46,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:13:46,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:13:46,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:13:46,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:13:46,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:13:46,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:13:46,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:13:46,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:13:46,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:13:46,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:13:46,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:13:46,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:13:46,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:13:46,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:13:46,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:13:46,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:13:46,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:13:46,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:13:46,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:13:46,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:13:46,417 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:13:46,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:13:46,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:13:46,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:13:46,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:13:46,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:13:46,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:13:46,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:13:46,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:13:46,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:13:46,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:13:46,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:13:46,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:13:46,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:13:46,420 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:13:46,420 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:13:46,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:13:46,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:13:46,420 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_6c13c180-eadd-49b4-a566-70102e0347dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b049fb81e05ec2192b5dc6cabf7c8b89c1486d4e623332a0a01a89383c6c7d [2021-12-06 20:13:46,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:13:46,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:13:46,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:13:46,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:13:46,619 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:13:46,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i [2021-12-06 20:13:46,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/data/04ba4dd9b/d006ddb94eee4c27bf698847c9d06b41/FLAG40e75d3c4 [2021-12-06 20:13:47,096 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:13:47,097 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i [2021-12-06 20:13:47,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/data/04ba4dd9b/d006ddb94eee4c27bf698847c9d06b41/FLAG40e75d3c4 [2021-12-06 20:13:47,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/data/04ba4dd9b/d006ddb94eee4c27bf698847c9d06b41 [2021-12-06 20:13:47,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:13:47,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:13:47,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:13:47,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:13:47,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:13:47,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a88e09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47, skipping insertion in model container [2021-12-06 20:13:47,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:13:47,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:13:47,292 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 20:13:47,407 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[30448,30461] [2021-12-06 20:13:47,413 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[30811,30824] [2021-12-06 20:13:47,421 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31483,31496] [2021-12-06 20:13:47,422 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31534,31547] [2021-12-06 20:13:47,423 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31683,31696] [2021-12-06 20:13:47,424 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31760,31773] [2021-12-06 20:13:47,425 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31807,31820] [2021-12-06 20:13:47,426 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31916,31929] [2021-12-06 20:13:47,427 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32035,32048] [2021-12-06 20:13:47,427 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32083,32096] [2021-12-06 20:13:47,428 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32160,32173] [2021-12-06 20:13:47,429 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32286,32299] [2021-12-06 20:13:47,436 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32869,32882] [2021-12-06 20:13:47,437 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32946,32959] [2021-12-06 20:13:47,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:13:47,445 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:13:47,455 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 20:13:47,469 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[30448,30461] [2021-12-06 20:13:47,471 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[30811,30824] [2021-12-06 20:13:47,474 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31483,31496] [2021-12-06 20:13:47,474 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31534,31547] [2021-12-06 20:13:47,475 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31683,31696] [2021-12-06 20:13:47,476 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31760,31773] [2021-12-06 20:13:47,477 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31807,31820] [2021-12-06 20:13:47,477 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[31916,31929] [2021-12-06 20:13:47,478 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32035,32048] [2021-12-06 20:13:47,479 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32083,32096] [2021-12-06 20:13:47,479 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32160,32173] [2021-12-06 20:13:47,480 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32286,32299] [2021-12-06 20:13:47,485 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32869,32882] [2021-12-06 20:13:47,486 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_6c13c180-eadd-49b4-a566-70102e0347dd/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i[32946,32959] [2021-12-06 20:13:47,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:13:47,514 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:13:47,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47 WrapperNode [2021-12-06 20:13:47,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:13:47,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:13:47,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:13:47,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:13:47,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,571 INFO L137 Inliner]: procedures = 174, calls = 70, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 459 [2021-12-06 20:13:47,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:13:47,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:13:47,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:13:47,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:13:47,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:13:47,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:13:47,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:13:47,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:13:47,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (1/1) ... [2021-12-06 20:13:47,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:13:47,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:13:47,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:13:47,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:13:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2021-12-06 20:13:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:13:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:13:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:13:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:13:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:13:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:13:47,687 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 20:13:47,785 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:13:47,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:13:48,178 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:13:48,187 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:13:48,187 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-06 20:13:48,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:13:48 BoogieIcfgContainer [2021-12-06 20:13:48,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:13:48,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:13:48,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:13:48,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:13:48,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:13:47" (1/3) ... [2021-12-06 20:13:48,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137aebf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:13:48, skipping insertion in model container [2021-12-06 20:13:48,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:13:47" (2/3) ... [2021-12-06 20:13:48,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137aebf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:13:48, skipping insertion in model container [2021-12-06 20:13:48,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:13:48" (3/3) ... [2021-12-06 20:13:48,197 INFO L111 eAbstractionObserver]: Analyzing ICFG one_time_barrier_2t.i [2021-12-06 20:13:48,202 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 20:13:48,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:13:48,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-12-06 20:13:48,203 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 20:13:48,242 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,242 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,242 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,242 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,243 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,244 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,245 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,245 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,245 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,245 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,245 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,245 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,246 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,246 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,246 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,246 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,246 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,247 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,248 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,248 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,248 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,248 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,248 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,248 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,249 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,250 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,250 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,250 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,250 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,250 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,250 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,251 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,252 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,253 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,254 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,255 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,256 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,257 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,258 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,259 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,260 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,261 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,262 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,262 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,262 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,262 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,262 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,262 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,263 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,266 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,267 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,268 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,269 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,269 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,269 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,269 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,269 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,269 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,270 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,271 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,272 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,273 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,274 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,275 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,276 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,277 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,278 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,279 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,280 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,281 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,282 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,283 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,284 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,285 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,286 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,287 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,288 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,289 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,290 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,291 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,292 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,293 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,299 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,300 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,301 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,302 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,303 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,304 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,305 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,306 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,307 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,308 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,309 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,310 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,311 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,312 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,313 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,314 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,315 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,316 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,317 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,318 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,319 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,322 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,323 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,323 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,323 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,323 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,323 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,323 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~pre8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,324 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,325 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem18#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,326 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~a~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,327 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~ret25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,328 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_~b#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,329 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~pre27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,329 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_barrier_wait_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,329 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_~sig~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,329 WARN L322 ript$VariableManager]: TermVariabe |worker_fnThread1of1ForFork0_#t~mem24#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:13:48,332 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 20:13:48,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:13:48,373 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 20:13:48,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2021-12-06 20:13:48,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 527 transitions, 1062 flow [2021-12-06 20:13:48,549 INFO L129 PetriNetUnfolder]: 94/778 cut-off events. [2021-12-06 20:13:48,550 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 20:13:48,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 778 events. 94/778 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2643 event pairs, 0 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 460. Up to 4 conditions per place. [2021-12-06 20:13:48,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 468 places, 527 transitions, 1062 flow [2021-12-06 20:13:48,578 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 468 places, 527 transitions, 1062 flow [2021-12-06 20:13:48,583 INFO L129 PetriNetUnfolder]: 3/53 cut-off events. [2021-12-06 20:13:48,583 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 20:13:48,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:48,583 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] [2021-12-06 20:13:48,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:48,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 770834990, now seen corresponding path program 1 times [2021-12-06 20:13:48,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:48,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317119113] [2021-12-06 20:13:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:48,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:48,738 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 20:13:48,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:48,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317119113] [2021-12-06 20:13:48,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317119113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:48,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:13:48,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:13:48,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763370468] [2021-12-06 20:13:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:48,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 20:13:48,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:48,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 20:13:48,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:13:48,774 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 527 [2021-12-06 20:13:48,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 527 transitions, 1062 flow. Second operand has 2 states, 2 states have (on average 482.5) internal successors, (965), 2 states have internal predecessors, (965), 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 20:13:48,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:48,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 527 [2021-12-06 20:13:48,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:48,902 INFO L129 PetriNetUnfolder]: 28/712 cut-off events. [2021-12-06 20:13:48,903 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 20:13:48,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 712 events. 28/712 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2558 event pairs, 0 based on Foata normal form. 66/706 useless extension candidates. Maximal degree in co-relation 421. Up to 4 conditions per place. [2021-12-06 20:13:48,913 INFO L132 encePairwiseOnDemand]: 484/527 looper letters, 2 selfloop transitions, 0 changer transitions 0/484 dead transitions. [2021-12-06 20:13:48,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 484 transitions, 980 flow [2021-12-06 20:13:48,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 20:13:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 20:13:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1009 transitions. [2021-12-06 20:13:48,932 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9573055028462998 [2021-12-06 20:13:48,933 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1009 transitions. [2021-12-06 20:13:48,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1009 transitions. [2021-12-06 20:13:48,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:48,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1009 transitions. [2021-12-06 20:13:48,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 504.5) internal successors, (1009), 2 states have internal predecessors, (1009), 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 20:13:48,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 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 20:13:48,959 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 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 20:13:48,961 INFO L186 Difference]: Start difference. First operand has 468 places, 527 transitions, 1062 flow. Second operand 2 states and 1009 transitions. [2021-12-06 20:13:48,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 484 transitions, 980 flow [2021-12-06 20:13:48,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 484 transitions, 980 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 20:13:48,975 INFO L242 Difference]: Finished difference. Result has 469 places, 484 transitions, 976 flow [2021-12-06 20:13:48,977 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=976, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=976, PETRI_PLACES=469, PETRI_TRANSITIONS=484} [2021-12-06 20:13:48,980 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 1 predicate places. [2021-12-06 20:13:48,981 INFO L470 AbstractCegarLoop]: Abstraction has has 469 places, 484 transitions, 976 flow [2021-12-06 20:13:48,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 482.5) internal successors, (965), 2 states have internal predecessors, (965), 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 20:13:48,982 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:48,982 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] [2021-12-06 20:13:48,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:13:48,982 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:48,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:48,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1781321971, now seen corresponding path program 1 times [2021-12-06 20:13:48,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:48,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657143866] [2021-12-06 20:13:48,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:48,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:49,041 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 20:13:49,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:49,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657143866] [2021-12-06 20:13:49,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657143866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:49,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:13:49,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:13:49,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264643068] [2021-12-06 20:13:49,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:49,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:13:49,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:13:49,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:13:49,046 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 527 [2021-12-06 20:13:49,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 484 transitions, 976 flow. Second operand has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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 20:13:49,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:49,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 527 [2021-12-06 20:13:49,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:49,179 INFO L129 PetriNetUnfolder]: 28/718 cut-off events. [2021-12-06 20:13:49,179 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 20:13:49,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 718 events. 28/718 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2556 event pairs, 0 based on Foata normal form. 0/646 useless extension candidates. Maximal degree in co-relation 739. Up to 12 conditions per place. [2021-12-06 20:13:49,189 INFO L132 encePairwiseOnDemand]: 524/527 looper letters, 15 selfloop transitions, 2 changer transitions 0/490 dead transitions. [2021-12-06 20:13:49,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 490 transitions, 1022 flow [2021-12-06 20:13:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:13:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:13:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1437 transitions. [2021-12-06 20:13:49,193 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9089184060721063 [2021-12-06 20:13:49,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1437 transitions. [2021-12-06 20:13:49,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1437 transitions. [2021-12-06 20:13:49,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:49,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1437 transitions. [2021-12-06 20:13:49,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 479.0) internal successors, (1437), 3 states have internal predecessors, (1437), 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 20:13:49,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 527.0) internal successors, (2108), 4 states have internal predecessors, (2108), 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 20:13:49,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 527.0) internal successors, (2108), 4 states have internal predecessors, (2108), 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 20:13:49,205 INFO L186 Difference]: Start difference. First operand has 469 places, 484 transitions, 976 flow. Second operand 3 states and 1437 transitions. [2021-12-06 20:13:49,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 490 transitions, 1022 flow [2021-12-06 20:13:49,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 490 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 20:13:49,214 INFO L242 Difference]: Finished difference. Result has 472 places, 485 transitions, 988 flow [2021-12-06 20:13:49,215 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=976, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=988, PETRI_PLACES=472, PETRI_TRANSITIONS=485} [2021-12-06 20:13:49,216 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 4 predicate places. [2021-12-06 20:13:49,216 INFO L470 AbstractCegarLoop]: Abstraction has has 472 places, 485 transitions, 988 flow [2021-12-06 20:13:49,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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 20:13:49,217 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:49,217 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] [2021-12-06 20:13:49,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:13:49,218 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:49,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:49,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1537206534, now seen corresponding path program 1 times [2021-12-06 20:13:49,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:49,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970448671] [2021-12-06 20:13:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:49,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:13:49,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:49,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970448671] [2021-12-06 20:13:49,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970448671] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:13:49,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774019030] [2021-12-06 20:13:49,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:49,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:13:49,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:13:49,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:13:49,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:13:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:49,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:13:49,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:13:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:13:49,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:13:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:13:49,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774019030] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:13:49,517 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:13:49,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2021-12-06 20:13:49,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998206110] [2021-12-06 20:13:49,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:13:49,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:13:49,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:13:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:13:49,522 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 473 out of 527 [2021-12-06 20:13:49,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 485 transitions, 988 flow. Second operand has 5 states, 5 states have (on average 476.2) internal successors, (2381), 5 states have internal predecessors, (2381), 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 20:13:49,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:49,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 473 of 527 [2021-12-06 20:13:49,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:49,702 INFO L129 PetriNetUnfolder]: 28/720 cut-off events. [2021-12-06 20:13:49,702 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-12-06 20:13:49,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 720 events. 28/720 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2547 event pairs, 0 based on Foata normal form. 1/650 useless extension candidates. Maximal degree in co-relation 747. Up to 7 conditions per place. [2021-12-06 20:13:49,713 INFO L132 encePairwiseOnDemand]: 523/527 looper letters, 14 selfloop transitions, 4 changer transitions 0/491 dead transitions. [2021-12-06 20:13:49,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 491 transitions, 1036 flow [2021-12-06 20:13:49,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:13:49,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-06 20:13:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1911 transitions. [2021-12-06 20:13:49,718 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9065464895635673 [2021-12-06 20:13:49,718 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1911 transitions. [2021-12-06 20:13:49,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1911 transitions. [2021-12-06 20:13:49,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:49,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1911 transitions. [2021-12-06 20:13:49,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 477.75) internal successors, (1911), 4 states have internal predecessors, (1911), 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 20:13:49,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 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 20:13:49,729 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 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 20:13:49,729 INFO L186 Difference]: Start difference. First operand has 472 places, 485 transitions, 988 flow. Second operand 4 states and 1911 transitions. [2021-12-06 20:13:49,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 491 transitions, 1036 flow [2021-12-06 20:13:49,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 491 transitions, 1034 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 20:13:49,738 INFO L242 Difference]: Finished difference. Result has 476 places, 486 transitions, 1006 flow [2021-12-06 20:13:49,739 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1006, PETRI_PLACES=476, PETRI_TRANSITIONS=486} [2021-12-06 20:13:49,740 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 8 predicate places. [2021-12-06 20:13:49,740 INFO L470 AbstractCegarLoop]: Abstraction has has 476 places, 486 transitions, 1006 flow [2021-12-06 20:13:49,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 476.2) internal successors, (2381), 5 states have internal predecessors, (2381), 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 20:13:49,742 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:49,742 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:13:49,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:13:49,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:13:49,943 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:49,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:49,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1152918931, now seen corresponding path program 2 times [2021-12-06 20:13:49,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:49,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240101580] [2021-12-06 20:13:49,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:49,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:50,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:50,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240101580] [2021-12-06 20:13:50,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240101580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:50,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:13:50,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:13:50,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231914584] [2021-12-06 20:13:50,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:50,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:13:50,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:50,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:13:50,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:13:50,126 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 476 out of 527 [2021-12-06 20:13:50,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 486 transitions, 1006 flow. Second operand has 4 states, 4 states have (on average 477.0) internal successors, (1908), 4 states have internal predecessors, (1908), 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 20:13:50,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:50,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 476 of 527 [2021-12-06 20:13:50,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:50,281 INFO L129 PetriNetUnfolder]: 28/718 cut-off events. [2021-12-06 20:13:50,281 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-12-06 20:13:50,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 718 events. 28/718 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2543 event pairs, 0 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 743. Up to 5 conditions per place. [2021-12-06 20:13:50,292 INFO L132 encePairwiseOnDemand]: 524/527 looper letters, 5 selfloop transitions, 2 changer transitions 0/484 dead transitions. [2021-12-06 20:13:50,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 484 transitions, 1016 flow [2021-12-06 20:13:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:13:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-06 20:13:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1912 transitions. [2021-12-06 20:13:50,296 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9070208728652751 [2021-12-06 20:13:50,296 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1912 transitions. [2021-12-06 20:13:50,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1912 transitions. [2021-12-06 20:13:50,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:50,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1912 transitions. [2021-12-06 20:13:50,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 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 20:13:50,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 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 20:13:50,307 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 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 20:13:50,308 INFO L186 Difference]: Start difference. First operand has 476 places, 486 transitions, 1006 flow. Second operand 4 states and 1912 transitions. [2021-12-06 20:13:50,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 484 transitions, 1016 flow [2021-12-06 20:13:50,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 484 transitions, 1012 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-06 20:13:50,316 INFO L242 Difference]: Finished difference. Result has 476 places, 484 transitions, 1002 flow [2021-12-06 20:13:50,317 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1002, PETRI_PLACES=476, PETRI_TRANSITIONS=484} [2021-12-06 20:13:50,318 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 8 predicate places. [2021-12-06 20:13:50,318 INFO L470 AbstractCegarLoop]: Abstraction has has 476 places, 484 transitions, 1002 flow [2021-12-06 20:13:50,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 477.0) internal successors, (1908), 4 states have internal predecessors, (1908), 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 20:13:50,319 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:50,319 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:13:50,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:13:50,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:50,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1560813962, now seen corresponding path program 1 times [2021-12-06 20:13:50,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:50,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621788787] [2021-12-06 20:13:50,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:50,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:50,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:50,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621788787] [2021-12-06 20:13:50,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621788787] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:13:50,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874048909] [2021-12-06 20:13:50,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:50,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:13:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:13:50,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:13:50,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:13:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:50,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:13:50,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:13:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:50,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:13:50,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874048909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:50,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:13:50,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-12-06 20:13:50,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516998775] [2021-12-06 20:13:50,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:50,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:13:50,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:13:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:13:50,551 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 527 [2021-12-06 20:13:50,554 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 484 transitions, 1002 flow. Second operand has 4 states, 4 states have (on average 477.25) internal successors, (1909), 4 states have internal predecessors, (1909), 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 20:13:50,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:50,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 527 [2021-12-06 20:13:50,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:50,677 INFO L129 PetriNetUnfolder]: 28/713 cut-off events. [2021-12-06 20:13:50,677 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 20:13:50,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 713 events. 28/713 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2503 event pairs, 0 based on Foata normal form. 0/644 useless extension candidates. Maximal degree in co-relation 740. Up to 5 conditions per place. [2021-12-06 20:13:50,692 INFO L132 encePairwiseOnDemand]: 523/527 looper letters, 7 selfloop transitions, 3 changer transitions 0/484 dead transitions. [2021-12-06 20:13:50,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 484 transitions, 1020 flow [2021-12-06 20:13:50,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:13:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-06 20:13:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1911 transitions. [2021-12-06 20:13:50,698 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9065464895635673 [2021-12-06 20:13:50,698 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1911 transitions. [2021-12-06 20:13:50,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1911 transitions. [2021-12-06 20:13:50,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:50,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1911 transitions. [2021-12-06 20:13:50,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 477.75) internal successors, (1911), 4 states have internal predecessors, (1911), 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 20:13:50,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 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 20:13:50,713 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 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 20:13:50,714 INFO L186 Difference]: Start difference. First operand has 476 places, 484 transitions, 1002 flow. Second operand 4 states and 1911 transitions. [2021-12-06 20:13:50,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 484 transitions, 1020 flow [2021-12-06 20:13:50,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 484 transitions, 1013 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 20:13:50,725 INFO L242 Difference]: Finished difference. Result has 476 places, 484 transitions, 1008 flow [2021-12-06 20:13:50,726 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=991, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1008, PETRI_PLACES=476, PETRI_TRANSITIONS=484} [2021-12-06 20:13:50,727 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 8 predicate places. [2021-12-06 20:13:50,727 INFO L470 AbstractCegarLoop]: Abstraction has has 476 places, 484 transitions, 1008 flow [2021-12-06 20:13:50,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 477.25) internal successors, (1909), 4 states have internal predecessors, (1909), 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 20:13:50,729 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:50,730 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:13:50,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:13:50,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:13:50,931 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash -936078017, now seen corresponding path program 1 times [2021-12-06 20:13:50,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:50,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537145750] [2021-12-06 20:13:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:50,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:50,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:50,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537145750] [2021-12-06 20:13:50,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537145750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:50,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:13:50,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:13:50,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781704547] [2021-12-06 20:13:50,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:50,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:13:50,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:50,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:13:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:13:51,000 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 527 [2021-12-06 20:13:51,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 484 transitions, 1008 flow. Second operand has 3 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 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 20:13:51,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:51,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 527 [2021-12-06 20:13:51,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:51,105 INFO L129 PetriNetUnfolder]: 19/519 cut-off events. [2021-12-06 20:13:51,105 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-12-06 20:13:51,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 519 events. 19/519 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1133 event pairs, 0 based on Foata normal form. 1/472 useless extension candidates. Maximal degree in co-relation 547. Up to 5 conditions per place. [2021-12-06 20:13:51,120 INFO L132 encePairwiseOnDemand]: 524/527 looper letters, 7 selfloop transitions, 2 changer transitions 0/483 dead transitions. [2021-12-06 20:13:51,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 483 transitions, 1020 flow [2021-12-06 20:13:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:13:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:13:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2021-12-06 20:13:51,124 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9076533839342188 [2021-12-06 20:13:51,124 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1435 transitions. [2021-12-06 20:13:51,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1435 transitions. [2021-12-06 20:13:51,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:51,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1435 transitions. [2021-12-06 20:13:51,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 478.3333333333333) internal successors, (1435), 3 states have internal predecessors, (1435), 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 20:13:51,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 527.0) internal successors, (2108), 4 states have internal predecessors, (2108), 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 20:13:51,135 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 527.0) internal successors, (2108), 4 states have internal predecessors, (2108), 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 20:13:51,135 INFO L186 Difference]: Start difference. First operand has 476 places, 484 transitions, 1008 flow. Second operand 3 states and 1435 transitions. [2021-12-06 20:13:51,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 483 transitions, 1020 flow [2021-12-06 20:13:51,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 483 transitions, 1017 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 20:13:51,146 INFO L242 Difference]: Finished difference. Result has 476 places, 483 transitions, 1003 flow [2021-12-06 20:13:51,147 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1003, PETRI_PLACES=476, PETRI_TRANSITIONS=483} [2021-12-06 20:13:51,148 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 8 predicate places. [2021-12-06 20:13:51,148 INFO L470 AbstractCegarLoop]: Abstraction has has 476 places, 483 transitions, 1003 flow [2021-12-06 20:13:51,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 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 20:13:51,149 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:51,149 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:13:51,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:13:51,150 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting worker_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1230433015, now seen corresponding path program 1 times [2021-12-06 20:13:51,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:51,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437814484] [2021-12-06 20:13:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:51,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:51,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:51,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437814484] [2021-12-06 20:13:51,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437814484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:51,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:13:51,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 20:13:51,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265513118] [2021-12-06 20:13:51,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:51,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 20:13:51,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:51,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 20:13:51,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:13:51,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 527 [2021-12-06 20:13:51,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 483 transitions, 1003 flow. Second operand has 17 states, 17 states have (on average 366.52941176470586) internal successors, (6231), 17 states have internal predecessors, (6231), 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 20:13:51,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:51,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 527 [2021-12-06 20:13:51,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:54,024 INFO L129 PetriNetUnfolder]: 2368/11798 cut-off events. [2021-12-06 20:13:54,024 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 20:13:54,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15724 conditions, 11798 events. 2368/11798 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 116293 event pairs, 974 based on Foata normal form. 0/10508 useless extension candidates. Maximal degree in co-relation 15715. Up to 2872 conditions per place. [2021-12-06 20:13:54,079 INFO L132 encePairwiseOnDemand]: 509/527 looper letters, 226 selfloop transitions, 21 changer transitions 0/610 dead transitions. [2021-12-06 20:13:54,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 610 transitions, 1751 flow [2021-12-06 20:13:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 20:13:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-06 20:13:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 5711 transitions. [2021-12-06 20:13:54,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7224541429475015 [2021-12-06 20:13:54,090 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 5711 transitions. [2021-12-06 20:13:54,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 5711 transitions. [2021-12-06 20:13:54,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:54,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 5711 transitions. [2021-12-06 20:13:54,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 380.73333333333335) internal successors, (5711), 15 states have internal predecessors, (5711), 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 20:13:54,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 527.0) internal successors, (8432), 16 states have internal predecessors, (8432), 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 20:13:54,125 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 527.0) internal successors, (8432), 16 states have internal predecessors, (8432), 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 20:13:54,125 INFO L186 Difference]: Start difference. First operand has 476 places, 483 transitions, 1003 flow. Second operand 15 states and 5711 transitions. [2021-12-06 20:13:54,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 610 transitions, 1751 flow [2021-12-06 20:13:54,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 610 transitions, 1747 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 20:13:54,142 INFO L242 Difference]: Finished difference. Result has 493 places, 494 transitions, 1105 flow [2021-12-06 20:13:54,143 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1105, PETRI_PLACES=493, PETRI_TRANSITIONS=494} [2021-12-06 20:13:54,143 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 25 predicate places. [2021-12-06 20:13:54,144 INFO L470 AbstractCegarLoop]: Abstraction has has 493 places, 494 transitions, 1105 flow [2021-12-06 20:13:54,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 366.52941176470586) internal successors, (6231), 17 states have internal predecessors, (6231), 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 20:13:54,146 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:54,146 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:13:54,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:13:54,146 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting worker_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:54,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:54,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1718239257, now seen corresponding path program 1 times [2021-12-06 20:13:54,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:54,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089439252] [2021-12-06 20:13:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:54,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:54,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:54,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089439252] [2021-12-06 20:13:54,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089439252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:13:54,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:13:54,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 20:13:54,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173261327] [2021-12-06 20:13:54,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:13:54,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 20:13:54,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:13:54,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 20:13:54,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:13:54,749 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 527 [2021-12-06 20:13:54,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 494 transitions, 1105 flow. Second operand has 17 states, 17 states have (on average 366.5882352941176) internal successors, (6232), 17 states have internal predecessors, (6232), 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 20:13:54,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:13:54,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 527 [2021-12-06 20:13:54,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:13:56,756 INFO L129 PetriNetUnfolder]: 2388/12094 cut-off events. [2021-12-06 20:13:56,757 INFO L130 PetriNetUnfolder]: For 470/472 co-relation queries the response was YES. [2021-12-06 20:13:56,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16640 conditions, 12094 events. 2388/12094 cut-off events. For 470/472 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 120617 event pairs, 1003 based on Foata normal form. 2/10864 useless extension candidates. Maximal degree in co-relation 16626. Up to 2923 conditions per place. [2021-12-06 20:13:56,803 INFO L132 encePairwiseOnDemand]: 510/527 looper letters, 226 selfloop transitions, 23 changer transitions 0/615 dead transitions. [2021-12-06 20:13:56,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 615 transitions, 1866 flow [2021-12-06 20:13:56,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 20:13:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-06 20:13:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 5710 transitions. [2021-12-06 20:13:56,814 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7223276407337128 [2021-12-06 20:13:56,814 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 5710 transitions. [2021-12-06 20:13:56,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 5710 transitions. [2021-12-06 20:13:56,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:13:56,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 5710 transitions. [2021-12-06 20:13:56,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 380.6666666666667) internal successors, (5710), 15 states have internal predecessors, (5710), 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 20:13:56,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 527.0) internal successors, (8432), 16 states have internal predecessors, (8432), 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 20:13:56,838 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 527.0) internal successors, (8432), 16 states have internal predecessors, (8432), 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 20:13:56,838 INFO L186 Difference]: Start difference. First operand has 493 places, 494 transitions, 1105 flow. Second operand 15 states and 5710 transitions. [2021-12-06 20:13:56,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 615 transitions, 1866 flow [2021-12-06 20:13:56,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 615 transitions, 1848 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-12-06 20:13:56,849 INFO L242 Difference]: Finished difference. Result has 503 places, 500 transitions, 1178 flow [2021-12-06 20:13:56,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1178, PETRI_PLACES=503, PETRI_TRANSITIONS=500} [2021-12-06 20:13:56,851 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 35 predicate places. [2021-12-06 20:13:56,851 INFO L470 AbstractCegarLoop]: Abstraction has has 503 places, 500 transitions, 1178 flow [2021-12-06 20:13:56,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 366.5882352941176) internal successors, (6232), 17 states have internal predecessors, (6232), 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 20:13:56,852 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:13:56,853 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:13:56,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:13:56,853 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:13:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:13:56,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1186418847, now seen corresponding path program 1 times [2021-12-06 20:13:56,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:13:56,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239600035] [2021-12-06 20:13:56,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:56,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:13:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:13:57,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:13:57,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239600035] [2021-12-06 20:13:57,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239600035] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:13:57,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364959974] [2021-12-06 20:13:57,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:13:57,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:13:57,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:13:57,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:13:57,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:13:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:13:57,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-06 20:13:57,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:13:57,610 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:13:57,610 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 17 treesize of output 21 [2021-12-06 20:13:57,680 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:13:57,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:13:57,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:57,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:57,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:57,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:57,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:57,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:58,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:58,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:58,183 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-12-06 20:13:58,183 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 16 treesize of output 18 [2021-12-06 20:13:58,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:13:58,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:13:58,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:13:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:13:58,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:13:58,406 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_575 (Array Int Int))) (= (mod (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_575) |c_~#in~0.base|) |c_~#in~0.offset|) 256) 0)) is different from false [2021-12-06 20:13:58,460 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_575 (Array Int Int)) (v_ArrVal_574 (Array Int Int))) (= (mod (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_574) |c_~#pre~0.base| v_ArrVal_575) |c_~#in~0.base|) |c_~#in~0.offset|) 256) 0)) is different from false [2021-12-06 20:14:00,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4382 treesize of output 4314 [2021-12-06 20:14:00,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2075 treesize of output 2043 [2021-12-06 20:14:00,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4118 treesize of output 4054 [2021-12-06 20:14:00,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4054 treesize of output 3798 [2021-12-06 20:14:00,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3798 treesize of output 3670 [2021-12-06 20:14:19,052 INFO L354 Elim1Store]: treesize reduction 35, result has 28.6 percent of original size [2021-12-06 20:14:19,053 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 106 treesize of output 109 [2021-12-06 20:14:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 1 not checked. [2021-12-06 20:14:19,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364959974] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:14:19,126 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:14:19,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 42 [2021-12-06 20:14:19,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367528749] [2021-12-06 20:14:19,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:14:19,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-12-06 20:14:19,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:14:19,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-12-06 20:14:19,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1212, Unknown=33, NotChecked=154, Total=1722 [2021-12-06 20:14:19,136 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 527 [2021-12-06 20:14:19,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 500 transitions, 1178 flow. Second operand has 42 states, 42 states have (on average 365.8333333333333) internal successors, (15365), 42 states have internal predecessors, (15365), 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 20:14:19,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:14:19,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 527 [2021-12-06 20:14:19,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:14:21,411 INFO L129 PetriNetUnfolder]: 2371/12604 cut-off events. [2021-12-06 20:14:21,411 INFO L130 PetriNetUnfolder]: For 862/975 co-relation queries the response was YES. [2021-12-06 20:14:21,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17398 conditions, 12604 events. 2371/12604 cut-off events. For 862/975 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 126193 event pairs, 1086 based on Foata normal form. 32/11300 useless extension candidates. Maximal degree in co-relation 17380. Up to 2955 conditions per place. [2021-12-06 20:14:21,467 INFO L132 encePairwiseOnDemand]: 508/527 looper letters, 244 selfloop transitions, 29 changer transitions 0/643 dead transitions. [2021-12-06 20:14:21,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 643 transitions, 2071 flow [2021-12-06 20:14:21,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:14:21,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-06 20:14:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 6071 transitions. [2021-12-06 20:14:21,478 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7199952561669829 [2021-12-06 20:14:21,478 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 6071 transitions. [2021-12-06 20:14:21,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 6071 transitions. [2021-12-06 20:14:21,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:14:21,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 6071 transitions. [2021-12-06 20:14:21,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 379.4375) internal successors, (6071), 16 states have internal predecessors, (6071), 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 20:14:21,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 527.0) internal successors, (8959), 17 states have internal predecessors, (8959), 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 20:14:21,502 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 527.0) internal successors, (8959), 17 states have internal predecessors, (8959), 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 20:14:21,502 INFO L186 Difference]: Start difference. First operand has 503 places, 500 transitions, 1178 flow. Second operand 16 states and 6071 transitions. [2021-12-06 20:14:21,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 643 transitions, 2071 flow [2021-12-06 20:14:21,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 643 transitions, 2045 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-12-06 20:14:21,515 INFO L242 Difference]: Finished difference. Result has 514 places, 511 transitions, 1297 flow [2021-12-06 20:14:21,516 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=1155, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1297, PETRI_PLACES=514, PETRI_TRANSITIONS=511} [2021-12-06 20:14:21,516 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 46 predicate places. [2021-12-06 20:14:21,516 INFO L470 AbstractCegarLoop]: Abstraction has has 514 places, 511 transitions, 1297 flow [2021-12-06 20:14:21,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 365.8333333333333) internal successors, (15365), 42 states have internal predecessors, (15365), 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 20:14:21,519 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:14:21,519 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:14:21,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:14:21,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:14:21,720 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting worker_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:14:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:14:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash 751469111, now seen corresponding path program 1 times [2021-12-06 20:14:21,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:14:21,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127892200] [2021-12-06 20:14:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:14:21,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:14:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:14:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:14:22,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:14:22,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127892200] [2021-12-06 20:14:22,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127892200] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:14:22,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923575337] [2021-12-06 20:14:22,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:14:22,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:14:22,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:14:22,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:14:22,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:14:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:14:22,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 43 conjunts are in the unsatisfiable core [2021-12-06 20:14:22,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:14:22,508 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:14:22,509 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 17 treesize of output 21 [2021-12-06 20:14:22,557 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:14:22,557 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 17 treesize of output 21 [2021-12-06 20:14:22,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:22,955 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 20:14:22,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-06 20:14:23,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:23,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:14:23,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:14:23,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 20:14:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:14:23,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:14:23,387 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_723 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_723) |c_~#in~0.base|))) (or (< 0 (mod (select .cse0 |c_~#in~0.offset|) 256)) (= (mod (select .cse0 (+ |c_~#in~0.offset| 1)) 256) 0)))) is different from false [2021-12-06 20:14:23,419 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_722 (Array Int Int)) (v_ArrVal_723 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_722) |c_~#pre~0.base| v_ArrVal_723) |c_~#in~0.base|))) (or (< 0 (mod (select .cse0 |c_~#in~0.offset|) 256)) (= (mod (select .cse0 (+ |c_~#in~0.offset| 1)) 256) 0)))) is different from false [2021-12-06 20:14:26,280 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:14:26,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9277 treesize of output 9107 [2021-12-06 20:14:26,493 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:14:26,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8747 treesize of output 7979 [2021-12-06 20:14:26,546 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:14:26,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 7979 treesize of output 7787 [2021-12-06 20:14:26,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:14:26,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3895 treesize of output 3799 [2021-12-06 20:14:26,652 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:14:26,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 7691 treesize of output 7307 [2021-12-06 20:14:52,395 INFO L354 Elim1Store]: treesize reduction 31, result has 36.7 percent of original size [2021-12-06 20:14:52,395 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 139 treesize of output 146 [2021-12-06 20:14:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:14:52,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923575337] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:14:52,475 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:14:52,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 21] total 52 [2021-12-06 20:14:52,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486002895] [2021-12-06 20:14:52,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:14:52,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-12-06 20:14:52,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:14:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-12-06 20:14:52,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=2013, Unknown=47, NotChecked=194, Total=2652 [2021-12-06 20:14:52,488 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 527 [2021-12-06 20:14:52,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 511 transitions, 1297 flow. Second operand has 52 states, 52 states have (on average 366.63461538461536) internal successors, (19065), 52 states have internal predecessors, (19065), 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 20:14:52,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:14:52,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 527 [2021-12-06 20:14:52,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:14:56,477 INFO L129 PetriNetUnfolder]: 2735/14017 cut-off events. [2021-12-06 20:14:56,478 INFO L130 PetriNetUnfolder]: For 2159/2271 co-relation queries the response was YES. [2021-12-06 20:14:56,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20236 conditions, 14017 events. 2735/14017 cut-off events. For 2159/2271 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 145128 event pairs, 845 based on Foata normal form. 98/12788 useless extension candidates. Maximal degree in co-relation 20213. Up to 3006 conditions per place. [2021-12-06 20:14:56,548 INFO L132 encePairwiseOnDemand]: 501/527 looper letters, 335 selfloop transitions, 60 changer transitions 0/768 dead transitions. [2021-12-06 20:14:56,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 768 transitions, 2731 flow [2021-12-06 20:14:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-06 20:14:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-12-06 20:14:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 9485 transitions. [2021-12-06 20:14:56,565 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7199240986717268 [2021-12-06 20:14:56,565 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 9485 transitions. [2021-12-06 20:14:56,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 9485 transitions. [2021-12-06 20:14:56,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:14:56,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 9485 transitions. [2021-12-06 20:14:56,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 379.4) internal successors, (9485), 25 states have internal predecessors, (9485), 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 20:14:56,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 527.0) internal successors, (13702), 26 states have internal predecessors, (13702), 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 20:14:56,597 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 527.0) internal successors, (13702), 26 states have internal predecessors, (13702), 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 20:14:56,598 INFO L186 Difference]: Start difference. First operand has 514 places, 511 transitions, 1297 flow. Second operand 25 states and 9485 transitions. [2021-12-06 20:14:56,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 768 transitions, 2731 flow [2021-12-06 20:14:56,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 768 transitions, 2709 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-12-06 20:14:56,615 INFO L242 Difference]: Finished difference. Result has 537 places, 542 transitions, 1651 flow [2021-12-06 20:14:56,616 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=1279, PETRI_DIFFERENCE_MINUEND_PLACES=506, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=1651, PETRI_PLACES=537, PETRI_TRANSITIONS=542} [2021-12-06 20:14:56,616 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 69 predicate places. [2021-12-06 20:14:56,616 INFO L470 AbstractCegarLoop]: Abstraction has has 537 places, 542 transitions, 1651 flow [2021-12-06 20:14:56,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 366.63461538461536) internal successors, (19065), 52 states have internal predecessors, (19065), 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 20:14:56,619 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:14:56,619 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:56,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:14:56,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 20:14:56,821 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:14:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:14:56,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1326972318, now seen corresponding path program 1 times [2021-12-06 20:14:56,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:14:56,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438413998] [2021-12-06 20:14:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:14:56,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:14:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:14:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:14:57,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:14:57,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438413998] [2021-12-06 20:14:57,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438413998] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:14:57,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452106017] [2021-12-06 20:14:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:14:57,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:14:57,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:14:57,353 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:14:57,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 20:14:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:14:57,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-12-06 20:14:57,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:14:57,838 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:14:57,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:14:57,924 INFO L354 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2021-12-06 20:14:57,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2021-12-06 20:14:58,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:58,755 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-12-06 20:14:58,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-12-06 20:14:58,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:59,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:14:59,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:14:59,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-12-06 20:14:59,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 20:14:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:14:59,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:15:04,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:15:04,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:15:04,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:15:04,460 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-12-06 20:15:04,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8799 treesize of output 8659 [2021-12-06 20:15:04,580 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:15:04,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 8253 treesize of output 7747 [2021-12-06 20:15:04,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7734 treesize of output 7670 [2021-12-06 20:15:04,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7670 treesize of output 7542 [2021-12-06 20:15:04,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7542 treesize of output 7286 [2021-12-06 20:15:15,403 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 20:15:15,403 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:15:15,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-12-06 20:15:15,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116270821] [2021-12-06 20:15:15,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 20:15:15,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 20:15:15,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:15:15,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 20:15:15,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=2163, Unknown=60, NotChecked=0, Total=2652 [2021-12-06 20:15:15,408 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 527 [2021-12-06 20:15:15,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 542 transitions, 1651 flow. Second operand has 18 states, 18 states have (on average 365.55555555555554) internal successors, (6580), 18 states have internal predecessors, (6580), 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 20:15:15,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:15:15,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 527 [2021-12-06 20:15:15,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:15:18,262 INFO L129 PetriNetUnfolder]: 2741/14768 cut-off events. [2021-12-06 20:15:18,262 INFO L130 PetriNetUnfolder]: For 4393/4498 co-relation queries the response was YES. [2021-12-06 20:15:18,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21886 conditions, 14768 events. 2741/14768 cut-off events. For 4393/4498 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 156069 event pairs, 1200 based on Foata normal form. 52/13265 useless extension candidates. Maximal degree in co-relation 21856. Up to 3501 conditions per place. [2021-12-06 20:15:18,338 INFO L132 encePairwiseOnDemand]: 509/527 looper letters, 226 selfloop transitions, 34 changer transitions 0/646 dead transitions. [2021-12-06 20:15:18,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 646 transitions, 2445 flow [2021-12-06 20:15:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 20:15:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-06 20:15:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 5675 transitions. [2021-12-06 20:15:18,348 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7179000632511069 [2021-12-06 20:15:18,348 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 5675 transitions. [2021-12-06 20:15:18,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 5675 transitions. [2021-12-06 20:15:18,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:15:18,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 5675 transitions. [2021-12-06 20:15:18,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 378.3333333333333) internal successors, (5675), 15 states have internal predecessors, (5675), 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 20:15:18,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 527.0) internal successors, (8432), 16 states have internal predecessors, (8432), 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 20:15:18,361 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 527.0) internal successors, (8432), 16 states have internal predecessors, (8432), 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 20:15:18,361 INFO L186 Difference]: Start difference. First operand has 537 places, 542 transitions, 1651 flow. Second operand 15 states and 5675 transitions. [2021-12-06 20:15:18,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 646 transitions, 2445 flow [2021-12-06 20:15:18,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 646 transitions, 2348 flow, removed 26 selfloop flow, removed 12 redundant places. [2021-12-06 20:15:18,385 INFO L242 Difference]: Finished difference. Result has 542 places, 546 transitions, 1673 flow [2021-12-06 20:15:18,386 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=1565, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1673, PETRI_PLACES=542, PETRI_TRANSITIONS=546} [2021-12-06 20:15:18,386 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 74 predicate places. [2021-12-06 20:15:18,386 INFO L470 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1673 flow [2021-12-06 20:15:18,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 365.55555555555554) internal successors, (6580), 18 states have internal predecessors, (6580), 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 20:15:18,387 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:15:18,387 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:15:18,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 20:15:18,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:15:18,588 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting worker_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:15:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:15:18,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1649056811, now seen corresponding path program 1 times [2021-12-06 20:15:18,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:15:18,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877701576] [2021-12-06 20:15:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:15:18,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:15:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:15:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:15:19,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:15:19,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877701576] [2021-12-06 20:15:19,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877701576] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:15:19,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138975882] [2021-12-06 20:15:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:15:19,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:15:19,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:15:19,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:15:19,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 20:15:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:15:19,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-06 20:15:19,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:15:19,422 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:15:19,423 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 17 treesize of output 21 [2021-12-06 20:15:19,483 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:15:19,483 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 17 treesize of output 21 [2021-12-06 20:15:19,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:19,924 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 20:15:19,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-06 20:15:19,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:15:20,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:20,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 20:15:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:15:20,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:15:20,464 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1021 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1021) |c_~#post~0.base|))) (or (= (mod (select .cse0 (+ |c_~#post~0.offset| 1)) 256) 0) (< 0 (mod (select .cse0 |c_~#post~0.offset|) 256))))) is different from false [2021-12-06 20:15:20,497 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1021 (Array Int Int)) (v_ArrVal_1020 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1020) |c_~#pre~0.base| v_ArrVal_1021) |c_~#post~0.base|))) (or (= (mod (select .cse0 (+ |c_~#post~0.offset| 1)) 256) 0) (< 0 (mod (select .cse0 |c_~#post~0.offset|) 256))))) is different from false [2021-12-06 20:15:23,344 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:23,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2317 treesize of output 2267 [2021-12-06 20:15:23,396 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:23,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2171 treesize of output 2075 [2021-12-06 20:15:23,415 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:23,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2075 treesize of output 2027 [2021-12-06 20:15:23,434 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:23,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2027 treesize of output 1835 [2021-12-06 20:15:23,453 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:23,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1835 treesize of output 1811 [2021-12-06 20:15:24,657 INFO L354 Elim1Store]: treesize reduction 31, result has 36.7 percent of original size [2021-12-06 20:15:24,657 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 81 treesize of output 90 [2021-12-06 20:15:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:15:24,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138975882] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:15:24,760 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:15:24,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 21] total 53 [2021-12-06 20:15:24,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303758513] [2021-12-06 20:15:24,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:15:24,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-12-06 20:15:24,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:15:24,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-12-06 20:15:24,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=2146, Unknown=40, NotChecked=198, Total=2756 [2021-12-06 20:15:24,773 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 527 [2021-12-06 20:15:24,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 546 transitions, 1673 flow. Second operand has 53 states, 53 states have (on average 366.64150943396226) internal successors, (19432), 53 states have internal predecessors, (19432), 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 20:15:24,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:15:24,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 527 [2021-12-06 20:15:24,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:15:29,228 INFO L129 PetriNetUnfolder]: 2776/14638 cut-off events. [2021-12-06 20:15:29,229 INFO L130 PetriNetUnfolder]: For 5288/5429 co-relation queries the response was YES. [2021-12-06 20:15:29,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22427 conditions, 14638 events. 2776/14638 cut-off events. For 5288/5429 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 154583 event pairs, 869 based on Foata normal form. 99/13342 useless extension candidates. Maximal degree in co-relation 22395. Up to 3110 conditions per place. [2021-12-06 20:15:29,319 INFO L132 encePairwiseOnDemand]: 500/527 looper letters, 345 selfloop transitions, 66 changer transitions 0/793 dead transitions. [2021-12-06 20:15:29,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 793 transitions, 3212 flow [2021-12-06 20:15:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-06 20:15:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-12-06 20:15:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 10212 transitions. [2021-12-06 20:15:29,330 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7176892262281257 [2021-12-06 20:15:29,330 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 10212 transitions. [2021-12-06 20:15:29,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 10212 transitions. [2021-12-06 20:15:29,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:15:29,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 10212 transitions. [2021-12-06 20:15:29,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 378.22222222222223) internal successors, (10212), 27 states have internal predecessors, (10212), 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 20:15:29,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 527.0) internal successors, (14756), 28 states have internal predecessors, (14756), 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 20:15:29,357 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 527.0) internal successors, (14756), 28 states have internal predecessors, (14756), 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 20:15:29,357 INFO L186 Difference]: Start difference. First operand has 542 places, 546 transitions, 1673 flow. Second operand 27 states and 10212 transitions. [2021-12-06 20:15:29,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 793 transitions, 3212 flow [2021-12-06 20:15:29,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 793 transitions, 3147 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-12-06 20:15:29,383 INFO L242 Difference]: Finished difference. Result has 561 places, 563 transitions, 1946 flow [2021-12-06 20:15:29,384 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=1616, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1946, PETRI_PLACES=561, PETRI_TRANSITIONS=563} [2021-12-06 20:15:29,384 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 93 predicate places. [2021-12-06 20:15:29,384 INFO L470 AbstractCegarLoop]: Abstraction has has 561 places, 563 transitions, 1946 flow [2021-12-06 20:15:29,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 366.64150943396226) internal successors, (19432), 53 states have internal predecessors, (19432), 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 20:15:29,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:15:29,386 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:29,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 20:15:29,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:15:29,588 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:15:29,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:15:29,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1295445784, now seen corresponding path program 1 times [2021-12-06 20:15:29,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:15:29,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667431136] [2021-12-06 20:15:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:15:29,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:15:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:15:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:15:30,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:15:30,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667431136] [2021-12-06 20:15:30,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667431136] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:15:30,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402787872] [2021-12-06 20:15:30,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:15:30,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:15:30,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:15:30,171 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:15:30,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 20:15:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:15:30,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-06 20:15:30,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:15:30,541 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:15:30,542 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 17 treesize of output 21 [2021-12-06 20:15:30,612 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:15:30,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:15:30,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:30,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:30,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:30,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:30,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:30,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:31,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:31,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:31,377 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-12-06 20:15:31,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:15:31,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:15:31,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:31,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 20:15:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:15:31,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:15:31,992 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1169 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1169) |c_~#in~0.base|))) (or (= (mod (select .cse0 (+ |c_~#in~0.offset| 1)) 256) 0) (< 0 (mod (select .cse0 |c_~#in~0.offset|) 256))))) is different from false [2021-12-06 20:15:32,067 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1169 (Array Int Int)) (v_ArrVal_1168 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1168) |c_~#pre~0.base| v_ArrVal_1169) |c_~#in~0.base|))) (or (< 0 (mod (select .cse0 |c_~#in~0.offset|) 256)) (= (mod (select .cse0 (+ |c_~#in~0.offset| 1)) 256) 0)))) is different from false [2021-12-06 20:15:35,012 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:35,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4637 treesize of output 4547 [2021-12-06 20:15:35,112 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:35,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4363 treesize of output 4171 [2021-12-06 20:15:35,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:15:35,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3177 treesize of output 3081 [2021-12-06 20:15:35,180 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:35,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4075 treesize of output 3691 [2021-12-06 20:15:35,218 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:35,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2816 treesize of output 2768 [2021-12-06 20:15:43,868 INFO L354 Elim1Store]: treesize reduction 35, result has 28.6 percent of original size [2021-12-06 20:15:43,869 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 106 treesize of output 109 [2021-12-06 20:15:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 1 not checked. [2021-12-06 20:15:43,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402787872] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:15:43,959 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:15:43,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22, 21] total 57 [2021-12-06 20:15:43,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765825918] [2021-12-06 20:15:43,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:15:43,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-12-06 20:15:43,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:15:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-12-06 20:15:43,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=2443, Unknown=36, NotChecked=214, Total=3192 [2021-12-06 20:15:43,973 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 527 [2021-12-06 20:15:43,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 563 transitions, 1946 flow. Second operand has 57 states, 57 states have (on average 363.5964912280702) internal successors, (20725), 57 states have internal predecessors, (20725), 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 20:15:43,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:15:43,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 527 [2021-12-06 20:15:43,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:15:48,789 INFO L129 PetriNetUnfolder]: 2845/15736 cut-off events. [2021-12-06 20:15:48,790 INFO L130 PetriNetUnfolder]: For 6408/6544 co-relation queries the response was YES. [2021-12-06 20:15:48,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23966 conditions, 15736 events. 2845/15736 cut-off events. For 6408/6544 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 169109 event pairs, 912 based on Foata normal form. 120/14355 useless extension candidates. Maximal degree in co-relation 23930. Up to 3426 conditions per place. [2021-12-06 20:15:48,882 INFO L132 encePairwiseOnDemand]: 498/527 looper letters, 335 selfloop transitions, 66 changer transitions 0/789 dead transitions. [2021-12-06 20:15:48,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 789 transitions, 3423 flow [2021-12-06 20:15:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 20:15:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-06 20:15:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 9015 transitions. [2021-12-06 20:15:48,889 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7127609108159393 [2021-12-06 20:15:48,889 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 9015 transitions. [2021-12-06 20:15:48,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 9015 transitions. [2021-12-06 20:15:48,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:15:48,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 9015 transitions. [2021-12-06 20:15:48,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 375.625) internal successors, (9015), 24 states have internal predecessors, (9015), 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 20:15:48,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 527.0) internal successors, (13175), 25 states have internal predecessors, (13175), 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 20:15:48,908 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 527.0) internal successors, (13175), 25 states have internal predecessors, (13175), 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 20:15:48,908 INFO L186 Difference]: Start difference. First operand has 561 places, 563 transitions, 1946 flow. Second operand 24 states and 9015 transitions. [2021-12-06 20:15:48,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 789 transitions, 3423 flow [2021-12-06 20:15:48,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 789 transitions, 3270 flow, removed 37 selfloop flow, removed 17 redundant places. [2021-12-06 20:15:48,934 INFO L242 Difference]: Finished difference. Result has 574 places, 587 transitions, 2210 flow [2021-12-06 20:15:48,935 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=1833, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2210, PETRI_PLACES=574, PETRI_TRANSITIONS=587} [2021-12-06 20:15:48,935 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 106 predicate places. [2021-12-06 20:15:48,935 INFO L470 AbstractCegarLoop]: Abstraction has has 574 places, 587 transitions, 2210 flow [2021-12-06 20:15:48,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 363.5964912280702) internal successors, (20725), 57 states have internal predecessors, (20725), 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 20:15:48,938 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:15:48,938 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:48,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 20:15:49,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 20:15:49,139 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:15:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:15:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1941790587, now seen corresponding path program 1 times [2021-12-06 20:15:49,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:15:49,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504690286] [2021-12-06 20:15:49,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:15:49,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:15:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:15:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 20:15:49,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:15:49,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504690286] [2021-12-06 20:15:49,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504690286] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:15:49,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005113335] [2021-12-06 20:15:49,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:15:49,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:15:49,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:15:49,754 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:15:49,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 20:15:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:15:49,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-06 20:15:49,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:15:50,072 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:15:50,072 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 17 treesize of output 21 [2021-12-06 20:15:50,135 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:15:50,135 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 17 treesize of output 21 [2021-12-06 20:15:50,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,579 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 20:15:50,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-06 20:15:50,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:50,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:15:50,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-06 20:15:51,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-06 20:15:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:15:51,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:15:51,254 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1318) |c_~#post~0.base|))) (or (< 0 (mod (select .cse0 |c_~#post~0.offset|) 256)) (= (mod (select .cse0 (+ |c_~#post~0.offset| 1)) 256) 0)))) is different from false [2021-12-06 20:15:51,333 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int)) (v_ArrVal_1317 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1317) |c_~#pre~0.base| v_ArrVal_1318) |c_~#post~0.base|))) (or (< 0 (mod (select .cse0 |c_~#post~0.offset|) 256)) (= (mod (select .cse0 (+ |c_~#post~0.offset| 1)) 256) 0)))) is different from false [2021-12-06 20:15:54,038 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:54,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4637 treesize of output 4547 [2021-12-06 20:15:54,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:15:54,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2183 treesize of output 1991 [2021-12-06 20:15:54,178 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:54,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4171 treesize of output 4075 [2021-12-06 20:15:54,211 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:54,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4075 treesize of output 4027 [2021-12-06 20:15:54,245 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:15:54,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4027 treesize of output 3643 [2021-12-06 20:21:50,010 INFO L354 Elim1Store]: treesize reduction 31, result has 36.7 percent of original size [2021-12-06 20:21:50,010 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 81 treesize of output 90 [2021-12-06 20:21:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 1 not checked. [2021-12-06 20:21:50,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005113335] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:21:50,120 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:21:50,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 21] total 53 [2021-12-06 20:21:50,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304361495] [2021-12-06 20:21:50,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:21:50,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-12-06 20:21:50,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:21:50,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-12-06 20:21:50,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=2142, Unknown=47, NotChecked=198, Total=2756 [2021-12-06 20:21:50,133 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 527 [2021-12-06 20:21:50,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 587 transitions, 2210 flow. Second operand has 53 states, 53 states have (on average 365.75471698113205) internal successors, (19385), 53 states have internal predecessors, (19385), 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 20:21:50,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:21:50,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 527 [2021-12-06 20:21:50,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:21:54,892 INFO L129 PetriNetUnfolder]: 2800/16009 cut-off events. [2021-12-06 20:21:54,892 INFO L130 PetriNetUnfolder]: For 8503/8637 co-relation queries the response was YES. [2021-12-06 20:21:54,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25417 conditions, 16009 events. 2800/16009 cut-off events. For 8503/8637 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 173883 event pairs, 945 based on Foata normal form. 97/14567 useless extension candidates. Maximal degree in co-relation 25375. Up to 3425 conditions per place. [2021-12-06 20:21:54,989 INFO L132 encePairwiseOnDemand]: 500/527 looper letters, 319 selfloop transitions, 65 changer transitions 0/780 dead transitions. [2021-12-06 20:21:54,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 780 transitions, 3549 flow [2021-12-06 20:21:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 20:21:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-12-06 20:21:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 8679 transitions. [2021-12-06 20:21:54,995 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7160300305255342 [2021-12-06 20:21:54,995 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 8679 transitions. [2021-12-06 20:21:54,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 8679 transitions. [2021-12-06 20:21:54,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:21:54,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 8679 transitions. [2021-12-06 20:21:55,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 377.3478260869565) internal successors, (8679), 23 states have internal predecessors, (8679), 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 20:21:55,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 527.0) internal successors, (12648), 24 states have internal predecessors, (12648), 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 20:21:55,011 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 527.0) internal successors, (12648), 24 states have internal predecessors, (12648), 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 20:21:55,011 INFO L186 Difference]: Start difference. First operand has 574 places, 587 transitions, 2210 flow. Second operand 23 states and 8679 transitions. [2021-12-06 20:21:55,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 596 places, 780 transitions, 3549 flow [2021-12-06 20:21:55,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 780 transitions, 3496 flow, removed 5 selfloop flow, removed 14 redundant places. [2021-12-06 20:21:55,042 INFO L242 Difference]: Finished difference. Result has 585 places, 597 transitions, 2428 flow [2021-12-06 20:21:55,042 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=2157, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2428, PETRI_PLACES=585, PETRI_TRANSITIONS=597} [2021-12-06 20:21:55,043 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 117 predicate places. [2021-12-06 20:21:55,043 INFO L470 AbstractCegarLoop]: Abstraction has has 585 places, 597 transitions, 2428 flow [2021-12-06 20:21:55,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 365.75471698113205) internal successors, (19385), 53 states have internal predecessors, (19385), 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 20:21:55,045 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:21:55,045 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:21:55,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 20:21:55,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 20:21:55,247 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting worker_fnErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:21:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:21:55,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2014394014, now seen corresponding path program 1 times [2021-12-06 20:21:55,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:21:55,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210224053] [2021-12-06 20:21:55,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:21:55,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:21:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:21:56,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:21:56,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210224053] [2021-12-06 20:21:56,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210224053] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:21:56,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571937340] [2021-12-06 20:21:56,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:21:56,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:21:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:21:56,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:21:56,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 20:21:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:56,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 119 conjunts are in the unsatisfiable core [2021-12-06 20:21:56,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:21:56,807 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:21:56,808 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 17 treesize of output 21 [2021-12-06 20:21:56,860 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:21:56,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:21:56,975 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 15 treesize of output 11 [2021-12-06 20:21:56,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:21:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:21:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:21:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:21:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:21:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:21:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:21:57,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:21:57,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:21:57,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-12-06 20:21:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:57,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:21:57,937 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 20:21:57,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2021-12-06 20:21:57,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:21:57,952 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:21:57,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 67 [2021-12-06 20:21:57,964 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 11 treesize of output 7 [2021-12-06 20:21:58,062 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:21:58,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 119 [2021-12-06 20:21:58,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-12-06 20:21:58,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2021-12-06 20:21:58,257 INFO L354 Elim1Store]: treesize reduction 12, result has 64.7 percent of original size [2021-12-06 20:21:58,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 34 [2021-12-06 20:21:58,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 84 [2021-12-06 20:21:58,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2021-12-06 20:21:58,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:21:59,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:21:59,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 68 [2021-12-06 20:21:59,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-12-06 20:21:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:21:59,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 29 [2021-12-06 20:21:59,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:21:59,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 20:21:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:21:59,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:21:59,959 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1494 (Array Int Int)) (v_ArrVal_1493 (Array Int Int)) (v_ArrVal_1492 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1492) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1494) |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1493) |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|))) (< (select .cse0 (+ 4 .cse1)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:21:59,971 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1494 (Array Int Int)) (v_ArrVal_1493 (Array Int Int)) (v_ArrVal_1492 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1492) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1494) |c_worker_fnThread1of1ForFork0_~arg#1.base|) |c_worker_fnThread1of1ForFork0_~arg#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1493) |c_worker_fnThread1of1ForFork0_~arg#1.base|) |c_worker_fnThread1of1ForFork0_~arg#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:21:59,975 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1494 (Array Int Int)) (v_ArrVal_1493 (Array Int Int)) (v_ArrVal_1492 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1492) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1494) |c_worker_fnThread1of1ForFork0_#in~arg#1.base|) |c_worker_fnThread1of1ForFork0_#in~arg#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1493) |c_worker_fnThread1of1ForFork0_#in~arg#1.base|) |c_worker_fnThread1of1ForFork0_#in~arg#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:21:59,980 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1494 (Array Int Int)) (v_ArrVal_1493 (Array Int Int)) (v_ArrVal_1492 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| (* 12 |c_ULTIMATE.start_main_~i~5#1|)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1492) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1494) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1493) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1))))) is different from false [2021-12-06 20:21:59,988 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1489 (Array Int Int)) (v_ArrVal_1494 (Array Int Int)) (v_ArrVal_1493 (Array Int Int)) (v_ArrVal_1492 (Array Int Int)) (v_ArrVal_1491 (Array Int Int)) (v_ArrVal_1490 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| (* 12 |c_ULTIMATE.start_main_~i~5#1|)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1490) |c_~#pre~0.base| v_ArrVal_1492) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1491) |c_~#pre~0.base| v_ArrVal_1494) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (.cse1 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1489) |c_~#pre~0.base| v_ArrVal_1493) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1))))) is different from false [2021-12-06 20:22:00,006 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1489 (Array Int Int)) (v_ArrVal_1494 (Array Int Int)) (v_ArrVal_1493 (Array Int Int)) (v_ArrVal_1492 (Array Int Int)) (v_ArrVal_1491 (Array Int Int)) (v_ArrVal_1490 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1490) |c_~#pre~0.base| v_ArrVal_1492) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1491) |c_~#pre~0.base| v_ArrVal_1494) |c_ULTIMATE.start_main_~#a~1#1.base|) |c_ULTIMATE.start_main_~#a~1#1.offset|))) (.cse1 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1489) |c_~#pre~0.base| v_ArrVal_1493) |c_ULTIMATE.start_main_~#a~1#1.base|) |c_ULTIMATE.start_main_~#a~1#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:22:00,257 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-12-06 20:22:00,257 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 103 treesize of output 96 [2021-12-06 20:22:00,308 INFO L354 Elim1Store]: treesize reduction 50, result has 75.4 percent of original size [2021-12-06 20:22:00,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 294 treesize of output 374 [2021-12-06 20:22:00,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:22:00,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 152 [2021-12-06 20:22:00,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:22:00,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 59 [2021-12-06 20:22:45,551 INFO L354 Elim1Store]: treesize reduction 3436, result has 8.2 percent of original size [2021-12-06 20:22:45,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 24 case distinctions, treesize of input 752 treesize of output 802 [2021-12-06 20:22:45,957 INFO L354 Elim1Store]: treesize reduction 3436, result has 8.2 percent of original size [2021-12-06 20:22:45,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 24 case distinctions, treesize of input 802 treesize of output 800 [2021-12-06 20:22:46,029 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1005 treesize of output 965 [2021-12-06 20:22:46,101 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1075 treesize of output 1039 [2021-12-06 20:22:46,179 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1490 treesize of output 1442 [2021-12-06 20:22:46,275 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1660 treesize of output 1620 [2021-12-06 20:22:46,405 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1716 treesize of output 1680 [2021-12-06 20:22:46,538 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1928 treesize of output 1888 [2021-12-06 20:22:46,666 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 3851 treesize of output 3755 [2021-12-06 20:22:46,832 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:22:46,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 4705 treesize of output 4641 [2021-12-06 20:22:47,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4288 treesize of output 4280 [2021-12-06 20:22:47,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4280 treesize of output 4264 [2021-12-06 20:22:47,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4264 treesize of output 4256 [2021-12-06 20:22:47,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4256 treesize of output 4240 [2021-12-06 20:22:47,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4240 treesize of output 4236 [2021-12-06 20:22:47,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4236 treesize of output 4204 [2021-12-06 20:22:47,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4204 treesize of output 4076 [2021-12-06 20:22:47,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4076 treesize of output 4012 [2021-12-06 20:22:47,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4012 treesize of output 4010 [2021-12-06 20:22:47,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4010 treesize of output 4002 [2021-12-06 20:22:47,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4002 treesize of output 3998 [2021-12-06 20:22:47,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3998 treesize of output 3966 [2021-12-06 20:22:47,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3966 treesize of output 3950 [2021-12-06 20:22:47,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3950 treesize of output 3942 [2021-12-06 20:22:47,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3942 treesize of output 3938 [2021-12-06 20:22:47,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3938 treesize of output 3922 [2021-12-06 20:22:47,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3922 treesize of output 3918 [2021-12-06 20:22:47,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3918 treesize of output 3910 [2021-12-06 20:22:48,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3910 treesize of output 3906 [2021-12-06 20:22:48,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3906 treesize of output 3898 [2021-12-06 20:22:48,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3898 treesize of output 3882 [2021-12-06 20:22:48,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3882 treesize of output 3850 [2021-12-06 20:22:48,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3850 treesize of output 3848 [2021-12-06 20:22:48,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3848 treesize of output 3784 [2021-12-06 20:22:48,329 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 20:22:48,329 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:22:48,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2021-12-06 20:22:48,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842767973] [2021-12-06 20:22:48,330 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 20:22:48,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-06 20:22:48,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:22:48,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-06 20:22:48,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=5023, Unknown=83, NotChecked=894, Total=6320 [2021-12-06 20:22:48,338 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 527 [2021-12-06 20:22:48,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 597 transitions, 2428 flow. Second operand has 31 states, 31 states have (on average 330.16129032258067) internal successors, (10235), 31 states have internal predecessors, (10235), 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 20:22:48,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:22:48,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 527 [2021-12-06 20:22:48,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:23:02,767 INFO L129 PetriNetUnfolder]: 4922/23641 cut-off events. [2021-12-06 20:23:02,767 INFO L130 PetriNetUnfolder]: For 17093/17349 co-relation queries the response was YES. [2021-12-06 20:23:02,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39974 conditions, 23641 events. 4922/23641 cut-off events. For 17093/17349 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 264017 event pairs, 1941 based on Foata normal form. 67/21475 useless extension candidates. Maximal degree in co-relation 39931. Up to 6703 conditions per place. [2021-12-06 20:23:02,933 INFO L132 encePairwiseOnDemand]: 493/527 looper letters, 498 selfloop transitions, 108 changer transitions 0/976 dead transitions. [2021-12-06 20:23:02,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 976 transitions, 5163 flow [2021-12-06 20:23:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-06 20:23:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-12-06 20:23:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 13310 transitions. [2021-12-06 20:23:02,942 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6475940252031334 [2021-12-06 20:23:02,942 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 13310 transitions. [2021-12-06 20:23:02,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 13310 transitions. [2021-12-06 20:23:02,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:23:02,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 13310 transitions. [2021-12-06 20:23:02,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 341.28205128205127) internal successors, (13310), 39 states have internal predecessors, (13310), 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 20:23:02,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 527.0) internal successors, (21080), 40 states have internal predecessors, (21080), 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 20:23:02,994 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 527.0) internal successors, (21080), 40 states have internal predecessors, (21080), 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 20:23:02,994 INFO L186 Difference]: Start difference. First operand has 585 places, 597 transitions, 2428 flow. Second operand 39 states and 13310 transitions. [2021-12-06 20:23:02,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 976 transitions, 5163 flow [2021-12-06 20:23:03,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 976 transitions, 5012 flow, removed 28 selfloop flow, removed 16 redundant places. [2021-12-06 20:23:03,040 INFO L242 Difference]: Finished difference. Result has 630 places, 662 transitions, 3309 flow [2021-12-06 20:23:03,040 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=2338, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=3309, PETRI_PLACES=630, PETRI_TRANSITIONS=662} [2021-12-06 20:23:03,040 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 162 predicate places. [2021-12-06 20:23:03,041 INFO L470 AbstractCegarLoop]: Abstraction has has 630 places, 662 transitions, 3309 flow [2021-12-06 20:23:03,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 330.16129032258067) internal successors, (10235), 31 states have internal predecessors, (10235), 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 20:23:03,042 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:23:03,042 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:03,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 20:23:03,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 20:23:03,243 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:23:03,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:23:03,244 INFO L85 PathProgramCache]: Analyzing trace with hash 462929004, now seen corresponding path program 1 times [2021-12-06 20:23:03,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:23:03,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110647185] [2021-12-06 20:23:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:03,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:23:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:23:05,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:23:05,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110647185] [2021-12-06 20:23:05,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110647185] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:23:05,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933190647] [2021-12-06 20:23:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:05,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:23:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:23:05,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:23:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 20:23:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:05,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 92 conjunts are in the unsatisfiable core [2021-12-06 20:23:05,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:23:05,348 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:23:05,348 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 17 treesize of output 21 [2021-12-06 20:23:05,414 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:23:05,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:23:05,684 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 15 treesize of output 11 [2021-12-06 20:23:05,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:23:05,782 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 20:23:05,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:23:05,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:05,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:23:05,830 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 20:23:05,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:23:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:05,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:23:06,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:23:06,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:23:06,267 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 20:23:06,359 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:23:06,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 83 [2021-12-06 20:23:06,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2021-12-06 20:23:06,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2021-12-06 20:23:06,501 INFO L354 Elim1Store]: treesize reduction 12, result has 61.3 percent of original size [2021-12-06 20:23:06,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 31 [2021-12-06 20:23:06,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2021-12-06 20:23:06,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 57 [2021-12-06 20:23:06,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:23:07,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 20:23:07,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 20:23:07,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:23:07,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:23:07,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-12-06 20:23:07,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 20:23:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:23:07,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:23:08,058 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1656 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1656) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1657) |c_ULTIMATE.start_worker_fn_~a~0#1.base|) |c_ULTIMATE.start_worker_fn_~a~0#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1658) |c_ULTIMATE.start_worker_fn_~a~0#1.base|) |c_ULTIMATE.start_worker_fn_~a~0#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:23:08,072 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1656 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1656) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1657) |c_ULTIMATE.start_worker_fn_~arg#1.base|) |c_ULTIMATE.start_worker_fn_~arg#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1658) |c_ULTIMATE.start_worker_fn_~arg#1.base|) |c_ULTIMATE.start_worker_fn_~arg#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:23:08,079 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1656 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1656) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1657) |c_ULTIMATE.start_worker_fn_#in~arg#1.base|) |c_ULTIMATE.start_worker_fn_#in~arg#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1658) |c_ULTIMATE.start_worker_fn_#in~arg#1.base|) |c_ULTIMATE.start_worker_fn_#in~arg#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:23:08,091 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1656 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| 12))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1656) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1657) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1658) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1))))) is different from false [2021-12-06 20:23:08,121 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1656 (Array Int Int)) (v_ArrVal_1655 (Array Int Int)) (v_ArrVal_1654 (Array Int Int)) (v_ArrVal_1653 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| 12))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1654) |c_~#pre~0.base| v_ArrVal_1656) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1655) |c_~#pre~0.base| v_ArrVal_1657) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (.cse1 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1653) |c_~#pre~0.base| v_ArrVal_1658) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select .cse0 (+ 4 .cse1)) (select .cse0 .cse1))))) is different from false [2021-12-06 20:23:08,454 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-12-06 20:23:08,454 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 111 treesize of output 104 [2021-12-06 20:23:08,512 INFO L354 Elim1Store]: treesize reduction 54, result has 75.8 percent of original size [2021-12-06 20:23:08,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 326 treesize of output 414 [2021-12-06 20:23:08,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:23:08,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 168 [2021-12-06 20:23:08,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:23:08,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2021-12-06 20:23:19,433 INFO L354 Elim1Store]: treesize reduction 1188, result has 22.4 percent of original size [2021-12-06 20:23:19,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 9 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 27 case distinctions, treesize of input 805 treesize of output 840 [2021-12-06 20:23:19,462 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:19,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1118 treesize of output 1090 [2021-12-06 20:23:19,495 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:19,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1614 treesize of output 1574 [2021-12-06 20:23:19,639 INFO L354 Elim1Store]: treesize reduction 528, result has 22.5 percent of original size [2021-12-06 20:23:19,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 1574 treesize of output 1558 [2021-12-06 20:23:19,695 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:19,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3160 treesize of output 3072 [2021-12-06 20:23:19,781 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:19,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5348 treesize of output 5236 [2021-12-06 20:23:19,904 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:19,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5346 treesize of output 5324 [2021-12-06 20:23:20,039 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:20,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5848 treesize of output 5808 [2021-12-06 20:23:20,183 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:20,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7009 treesize of output 6945 [2021-12-06 20:23:20,365 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:20,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 8053 treesize of output 7989 [2021-12-06 20:23:20,553 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:20,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 9128 treesize of output 9064 [2021-12-06 20:23:20,761 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:20,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 10140 treesize of output 10076 [2021-12-06 20:23:20,985 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:20,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 10200 treesize of output 10178 [2021-12-06 20:23:21,223 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:21,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 10288 treesize of output 10266 [2021-12-06 20:23:21,463 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:23:21,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 10821 treesize of output 10781 [2021-12-06 20:23:21,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10494 treesize of output 10430 [2021-12-06 20:23:21,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10430 treesize of output 10398 [2021-12-06 20:23:22,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10398 treesize of output 10382 [2021-12-06 20:23:22,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10382 treesize of output 10350 [2021-12-06 20:23:22,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10350 treesize of output 10334 [2021-12-06 20:23:22,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10334 treesize of output 10326 [2021-12-06 20:23:22,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10326 treesize of output 10134 [2021-12-06 20:23:22,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10134 treesize of output 10086 [2021-12-06 20:23:22,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10086 treesize of output 9990 [2021-12-06 20:23:22,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9990 treesize of output 9974 [2021-12-06 20:23:22,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9974 treesize of output 9966 [2021-12-06 20:23:22,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9966 treesize of output 9962 [2021-12-06 20:23:23,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9962 treesize of output 9898 [2021-12-06 20:23:23,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9898 treesize of output 9642 [2021-12-06 20:23:23,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9642 treesize of output 9514 [2021-12-06 20:23:23,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9514 treesize of output 9498 [2021-12-06 20:23:23,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9498 treesize of output 9370 [2021-12-06 20:23:23,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9370 treesize of output 9362 [2021-12-06 20:23:23,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9362 treesize of output 9298 [2021-12-06 20:23:23,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9298 treesize of output 9170 [2021-12-06 20:23:23,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9170 treesize of output 9154 [2021-12-06 20:23:23,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9154 treesize of output 9122 [2021-12-06 20:23:24,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9122 treesize of output 9058 [2021-12-06 20:23:24,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9058 treesize of output 8930 [2021-12-06 20:23:24,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8930 treesize of output 8866 [2021-12-06 20:23:24,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8866 treesize of output 8834 [2021-12-06 20:23:24,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8834 treesize of output 8830 [2021-12-06 20:23:24,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8830 treesize of output 8798 [2021-12-06 20:23:24,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8798 treesize of output 8670 [2021-12-06 20:23:24,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8670 treesize of output 8638 [2021-12-06 20:23:24,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8638 treesize of output 8574 [2021-12-06 20:23:24,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8574 treesize of output 8566 [2021-12-06 20:23:25,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8566 treesize of output 8534 [2021-12-06 20:23:25,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8534 treesize of output 8518 [2021-12-06 20:23:25,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8518 treesize of output 8454 [2021-12-06 20:23:25,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8454 treesize of output 8450 [2021-12-06 20:23:25,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8450 treesize of output 8386 [2021-12-06 20:23:25,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8386 treesize of output 8370 [2021-12-06 20:23:25,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8370 treesize of output 8338 [2021-12-06 20:23:25,770 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 20:23:25,770 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:23:25,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-12-06 20:23:25,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501870268] [2021-12-06 20:23:25,771 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 20:23:25,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-06 20:23:25,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:23:25,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-06 20:23:25,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=4806, Unknown=40, NotChecked=720, Total=5852 [2021-12-06 20:23:25,779 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 527 [2021-12-06 20:23:25,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 662 transitions, 3309 flow. Second operand has 34 states, 34 states have (on average 332.02941176470586) internal successors, (11289), 34 states have internal predecessors, (11289), 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 20:23:25,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:23:25,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 527 [2021-12-06 20:23:25,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:23:38,037 INFO L129 PetriNetUnfolder]: 4679/22463 cut-off events. [2021-12-06 20:23:38,037 INFO L130 PetriNetUnfolder]: For 20164/20446 co-relation queries the response was YES. [2021-12-06 20:23:38,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40344 conditions, 22463 events. 4679/22463 cut-off events. For 20164/20446 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 251124 event pairs, 2614 based on Foata normal form. 98/20542 useless extension candidates. Maximal degree in co-relation 40279. Up to 7723 conditions per place. [2021-12-06 20:23:38,234 INFO L132 encePairwiseOnDemand]: 492/527 looper letters, 364 selfloop transitions, 63 changer transitions 0/824 dead transitions. [2021-12-06 20:23:38,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 824 transitions, 4743 flow [2021-12-06 20:23:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-06 20:23:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-12-06 20:23:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 11535 transitions. [2021-12-06 20:23:38,242 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6437660453175578 [2021-12-06 20:23:38,242 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 11535 transitions. [2021-12-06 20:23:38,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 11535 transitions. [2021-12-06 20:23:38,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:23:38,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 11535 transitions. [2021-12-06 20:23:38,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 339.2647058823529) internal successors, (11535), 34 states have internal predecessors, (11535), 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 20:23:38,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 527.0) internal successors, (18445), 35 states have internal predecessors, (18445), 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 20:23:38,263 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 527.0) internal successors, (18445), 35 states have internal predecessors, (18445), 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 20:23:38,263 INFO L186 Difference]: Start difference. First operand has 630 places, 662 transitions, 3309 flow. Second operand 34 states and 11535 transitions. [2021-12-06 20:23:38,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 824 transitions, 4743 flow [2021-12-06 20:23:38,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 824 transitions, 4718 flow, removed 1 selfloop flow, removed 12 redundant places. [2021-12-06 20:23:38,333 INFO L242 Difference]: Finished difference. Result has 666 places, 695 transitions, 3605 flow [2021-12-06 20:23:38,334 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=3284, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=613, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=3605, PETRI_PLACES=666, PETRI_TRANSITIONS=695} [2021-12-06 20:23:38,334 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 198 predicate places. [2021-12-06 20:23:38,334 INFO L470 AbstractCegarLoop]: Abstraction has has 666 places, 695 transitions, 3605 flow [2021-12-06 20:23:38,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 332.02941176470586) internal successors, (11289), 34 states have internal predecessors, (11289), 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 20:23:38,335 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:23:38,335 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:38,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 20:23:38,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 20:23:38,537 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting worker_fnErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:23:38,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:23:38,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1837139689, now seen corresponding path program 1 times [2021-12-06 20:23:38,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:23:38,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816129840] [2021-12-06 20:23:38,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:38,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:23:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:23:40,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:23:40,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816129840] [2021-12-06 20:23:40,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816129840] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:23:40,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748308347] [2021-12-06 20:23:40,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:40,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:23:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:23:40,116 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:23:40,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 20:23:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:40,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 106 conjunts are in the unsatisfiable core [2021-12-06 20:23:40,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:23:40,367 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:23:40,367 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 17 treesize of output 21 [2021-12-06 20:23:40,406 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:23:40,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:23:40,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:23:40,586 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 15 treesize of output 11 [2021-12-06 20:23:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:23:40,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:23:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:23:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:23:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:23:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:23:40,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:23:40,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:40,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:23:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:41,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:23:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:23:41,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:23:41,523 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 20:23:41,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:23:41,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:23:41,631 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:23:41,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 67 [2021-12-06 20:23:41,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-12-06 20:23:41,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2021-12-06 20:23:41,779 INFO L354 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2021-12-06 20:23:41,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2021-12-06 20:23:42,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:23:42,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2021-12-06 20:23:42,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 20:23:42,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 20:23:42,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 20:23:42,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:23:42,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-12-06 20:23:42,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:23:43,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-12-06 20:23:43,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 20:23:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:23:43,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:23:43,318 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1847 (Array Int Int))) (< |c_worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.base|) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset|))) is different from false [2021-12-06 20:23:43,336 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1847 (Array Int Int))) (< (select (select |c_#memory_int| |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.base|) (+ 4 |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset|)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.base|) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset|))) is different from false [2021-12-06 20:23:43,341 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1847 (Array Int Int))) (< (select (select |c_#memory_int| |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base|) (+ |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base|) |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset|))) is different from false [2021-12-06 20:23:43,348 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1847 (Array Int Int))) (< (select (select |c_#memory_int| |c_worker_fnThread1of1ForFork0_#t~mem18#1.base|) (+ |c_worker_fnThread1of1ForFork0_#t~mem18#1.offset| 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) |c_worker_fnThread1of1ForFork0_#t~mem18#1.base|) |c_worker_fnThread1of1ForFork0_#t~mem18#1.offset|))) is different from false [2021-12-06 20:23:43,360 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1847 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|))) (< (select (select |c_#memory_int| .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) .cse0) .cse1)))) is different from false [2021-12-06 20:23:43,427 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1846 (Array Int Int)) (v_ArrVal_1845 (Array Int Int)) (v_ArrVal_1844 (Array Int Int)) (v_ArrVal_1847 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1846) |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1845) |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1844) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) .cse0) .cse1)))) is different from false [2021-12-06 20:23:43,446 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1846 (Array Int Int)) (v_ArrVal_1845 (Array Int Int)) (v_ArrVal_1844 (Array Int Int)) (v_ArrVal_1847 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1846) |c_worker_fnThread1of1ForFork0_~arg#1.base|) |c_worker_fnThread1of1ForFork0_~arg#1.offset|)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1845) |c_worker_fnThread1of1ForFork0_~arg#1.base|) |c_worker_fnThread1of1ForFork0_~arg#1.offset|))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1844) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) .cse0) .cse1)))) is different from false [2021-12-06 20:23:43,455 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1846 (Array Int Int)) (v_ArrVal_1845 (Array Int Int)) (v_ArrVal_1844 (Array Int Int)) (v_ArrVal_1847 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1846) |c_worker_fnThread1of1ForFork0_#in~arg#1.base|) |c_worker_fnThread1of1ForFork0_#in~arg#1.offset|)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1845) |c_worker_fnThread1of1ForFork0_#in~arg#1.base|) |c_worker_fnThread1of1ForFork0_#in~arg#1.offset|))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1844) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) .cse0) .cse1)))) is different from false [2021-12-06 20:23:43,465 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1846 (Array Int Int)) (v_ArrVal_1845 (Array Int Int)) (v_ArrVal_1844 (Array Int Int)) (v_ArrVal_1847 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| (* 12 |c_ULTIMATE.start_main_~i~5#1|)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1846) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1845) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1844) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1847) .cse0) .cse1))))) is different from false [2021-12-06 20:23:43,477 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1846 (Array Int Int)) (v_ArrVal_1845 (Array Int Int)) (v_ArrVal_1844 (Array Int Int)) (v_ArrVal_1843 (Array Int Int)) (v_ArrVal_1842 (Array Int Int)) (v_ArrVal_1841 (Array Int Int)) (v_ArrVal_1847 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| (* 12 |c_ULTIMATE.start_main_~i~5#1|)))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1842)) (.cse1 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1843) |c_~#pre~0.base| v_ArrVal_1846) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse3)) (.cse2 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1841) |c_~#pre~0.base| v_ArrVal_1845) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse3))) (< (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_1844) .cse1) (+ .cse2 4)) (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_1847) .cse1) .cse2))))) is different from false [2021-12-06 20:23:43,502 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1846 (Array Int Int)) (v_ArrVal_1845 (Array Int Int)) (v_ArrVal_1844 (Array Int Int)) (v_ArrVal_1843 (Array Int Int)) (v_ArrVal_1842 (Array Int Int)) (v_ArrVal_1841 (Array Int Int)) (v_ArrVal_1847 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1842)) (.cse1 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1843) |c_~#pre~0.base| v_ArrVal_1846) |c_ULTIMATE.start_main_~#a~1#1.base|) |c_ULTIMATE.start_main_~#a~1#1.offset|)) (.cse2 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1841) |c_~#pre~0.base| v_ArrVal_1845) |c_ULTIMATE.start_main_~#a~1#1.base|) |c_ULTIMATE.start_main_~#a~1#1.offset|))) (< (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_1844) .cse1) (+ .cse2 4)) (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_1847) .cse1) .cse2)))) is different from false [2021-12-06 20:23:43,802 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-12-06 20:23:43,802 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 103 treesize of output 96 [2021-12-06 20:23:43,859 INFO L354 Elim1Store]: treesize reduction 50, result has 75.4 percent of original size [2021-12-06 20:23:43,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1236 treesize of output 1130 [2021-12-06 20:23:43,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:23:43,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 972 treesize of output 844 [2021-12-06 20:23:43,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 844 treesize of output 708 [2021-12-06 20:23:43,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 708 treesize of output 588 [2021-12-06 20:24:34,769 INFO L354 Elim1Store]: treesize reduction 3436, result has 8.2 percent of original size [2021-12-06 20:24:34,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 24 case distinctions, treesize of input 752 treesize of output 751 [2021-12-06 20:24:35,280 INFO L354 Elim1Store]: treesize reduction 3436, result has 8.2 percent of original size [2021-12-06 20:24:35,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 24 case distinctions, treesize of input 751 treesize of output 800 [2021-12-06 20:24:35,364 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:35,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1324 treesize of output 1276 [2021-12-06 20:24:35,465 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:35,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2261 treesize of output 2197 [2021-12-06 20:24:35,593 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:35,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2445 treesize of output 2405 [2021-12-06 20:24:35,737 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:35,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 4368 treesize of output 4272 [2021-12-06 20:24:35,922 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:35,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 4490 treesize of output 4450 [2021-12-06 20:24:36,138 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:36,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 6413 treesize of output 6317 [2021-12-06 20:24:36,381 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:36,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 6413 treesize of output 6377 [2021-12-06 20:24:36,628 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:24:36,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 6473 treesize of output 6437 [2021-12-06 20:24:37,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6084 treesize of output 6052 [2021-12-06 20:24:37,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6052 treesize of output 5988 [2021-12-06 20:24:37,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5988 treesize of output 5972 [2021-12-06 20:24:37,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5972 treesize of output 5956 [2021-12-06 20:24:37,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5956 treesize of output 5948 [2021-12-06 20:24:37,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5948 treesize of output 5944 [2021-12-06 20:24:37,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5944 treesize of output 5880 [2021-12-06 20:24:37,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5880 treesize of output 5752 [2021-12-06 20:24:37,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5752 treesize of output 5720 [2021-12-06 20:24:37,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5720 treesize of output 5712 [2021-12-06 20:24:37,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5712 treesize of output 5708 [2021-12-06 20:24:37,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5708 treesize of output 5700 [2021-12-06 20:24:37,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5700 treesize of output 5684 [2021-12-06 20:24:38,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5684 treesize of output 5652 [2021-12-06 20:24:38,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5652 treesize of output 5524 [2021-12-06 20:24:38,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5524 treesize of output 5492 [2021-12-06 20:24:38,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5492 treesize of output 5428 [2021-12-06 20:24:38,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5428 treesize of output 5426 [2021-12-06 20:24:38,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5426 treesize of output 5410 [2021-12-06 20:24:38,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5410 treesize of output 5402 [2021-12-06 20:24:38,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5402 treesize of output 5398 [2021-12-06 20:24:38,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5398 treesize of output 5390 [2021-12-06 20:24:38,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5390 treesize of output 5386 [2021-12-06 20:24:38,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5386 treesize of output 5384 [2021-12-06 20:24:38,810 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 20:24:38,810 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:24:38,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2021-12-06 20:24:38,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581232056] [2021-12-06 20:24:38,810 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 20:24:38,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-06 20:24:38,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:38,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-06 20:24:38,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=4062, Unknown=87, NotChecked=1540, Total=6006 [2021-12-06 20:24:38,819 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 527 [2021-12-06 20:24:38,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 695 transitions, 3605 flow. Second operand has 31 states, 31 states have (on average 331.258064516129) internal successors, (10269), 31 states have internal predecessors, (10269), 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 20:24:38,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:24:38,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 527 [2021-12-06 20:24:38,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:24:58,512 INFO L129 PetriNetUnfolder]: 5623/27022 cut-off events. [2021-12-06 20:24:58,512 INFO L130 PetriNetUnfolder]: For 29287/29628 co-relation queries the response was YES. [2021-12-06 20:24:58,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51267 conditions, 27022 events. 5623/27022 cut-off events. For 29287/29628 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 308142 event pairs, 2625 based on Foata normal form. 121/24888 useless extension candidates. Maximal degree in co-relation 51188. Up to 7331 conditions per place. [2021-12-06 20:24:58,824 INFO L132 encePairwiseOnDemand]: 494/527 looper letters, 522 selfloop transitions, 149 changer transitions 0/1050 dead transitions. [2021-12-06 20:24:58,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 1050 transitions, 6798 flow [2021-12-06 20:24:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-06 20:24:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-12-06 20:24:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 13335 transitions. [2021-12-06 20:24:58,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6488103926434097 [2021-12-06 20:24:58,833 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 13335 transitions. [2021-12-06 20:24:58,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 13335 transitions. [2021-12-06 20:24:58,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:24:58,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 13335 transitions. [2021-12-06 20:24:58,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 341.9230769230769) internal successors, (13335), 39 states have internal predecessors, (13335), 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 20:24:58,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 527.0) internal successors, (21080), 40 states have internal predecessors, (21080), 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 20:24:58,883 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 527.0) internal successors, (21080), 40 states have internal predecessors, (21080), 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 20:24:58,883 INFO L186 Difference]: Start difference. First operand has 666 places, 695 transitions, 3605 flow. Second operand 39 states and 13335 transitions. [2021-12-06 20:24:58,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 1050 transitions, 6798 flow [2021-12-06 20:24:58,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 1050 transitions, 6749 flow, removed 11 selfloop flow, removed 12 redundant places. [2021-12-06 20:24:58,991 INFO L242 Difference]: Finished difference. Result has 707 places, 760 transitions, 4847 flow [2021-12-06 20:24:58,992 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=3566, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=4847, PETRI_PLACES=707, PETRI_TRANSITIONS=760} [2021-12-06 20:24:58,992 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 239 predicate places. [2021-12-06 20:24:58,992 INFO L470 AbstractCegarLoop]: Abstraction has has 707 places, 760 transitions, 4847 flow [2021-12-06 20:24:58,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 331.258064516129) internal successors, (10269), 31 states have internal predecessors, (10269), 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 20:24:58,993 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:24:58,994 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:59,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 20:24:59,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 20:24:59,195 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting worker_fnErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:24:59,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:59,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1501477727, now seen corresponding path program 2 times [2021-12-06 20:24:59,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:59,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015074641] [2021-12-06 20:24:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:59,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:25:01,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:01,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015074641] [2021-12-06 20:25:01,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015074641] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:25:01,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437859780] [2021-12-06 20:25:01,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:25:01,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:25:01,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:25:01,621 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:25:01,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 20:25:01,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:25:01,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:25:01,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 112 conjunts are in the unsatisfiable core [2021-12-06 20:25:01,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:25:01,939 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:25:01,939 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 17 treesize of output 21 [2021-12-06 20:25:02,011 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:25:02,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:25:02,287 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 15 treesize of output 11 [2021-12-06 20:25:02,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:25:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:25:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:25:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:25:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:25:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:25:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:25:02,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:25:02,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:25:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:25:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:25:02,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-06 20:25:03,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:25:03,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:25:03,703 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 20:25:03,872 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:25:03,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 67 [2021-12-06 20:25:03,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2021-12-06 20:25:03,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 26 [2021-12-06 20:25:04,134 INFO L354 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2021-12-06 20:25:04,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2021-12-06 20:25:04,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2021-12-06 20:25:04,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 20:25:04,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:25:05,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 20:25:05,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 20:25:05,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:25:06,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:25:06,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-12-06 20:25:07,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-12-06 20:25:07,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 20:25:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:25:07,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:25:07,750 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int))) (< |c_worker_fnThread1of1ForFork0_barrier_wait_#t~mem4#1| (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.base|) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset|))) is different from false [2021-12-06 20:25:07,761 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int))) (< (select (select |c_#memory_int| |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.base|) (+ 4 |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset|)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.base|) |c_worker_fnThread1of1ForFork0_barrier_wait_~b#1.offset|))) is different from false [2021-12-06 20:25:07,771 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int))) (< (select (select |c_#memory_int| |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base|) (+ |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset| 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.base|) |c_worker_fnThread1of1ForFork0_barrier_wait_#in~b#1.offset|))) is different from false [2021-12-06 20:25:07,825 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int))) (< (select (select |c_#memory_int| |c_worker_fnThread1of1ForFork0_#t~mem18#1.base|) (+ |c_worker_fnThread1of1ForFork0_#t~mem18#1.offset| 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) |c_worker_fnThread1of1ForFork0_#t~mem18#1.base|) |c_worker_fnThread1of1ForFork0_#t~mem18#1.offset|))) is different from false [2021-12-06 20:25:07,843 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|))) (< (select (select |c_#memory_int| .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) .cse0) .cse1)))) is different from false [2021-12-06 20:25:07,950 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2035 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2035) |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2034) |c_worker_fnThread1of1ForFork0_~a~0#1.base|) |c_worker_fnThread1of1ForFork0_~a~0#1.offset|))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2033) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) .cse0) .cse1)))) is different from false [2021-12-06 20:25:07,985 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2035 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2035) |c_worker_fnThread1of1ForFork0_~arg#1.base|) |c_worker_fnThread1of1ForFork0_~arg#1.offset|)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2034) |c_worker_fnThread1of1ForFork0_~arg#1.base|) |c_worker_fnThread1of1ForFork0_~arg#1.offset|))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2033) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) .cse0) .cse1)))) is different from false [2021-12-06 20:25:08,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2035 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2035) |c_worker_fnThread1of1ForFork0_#in~arg#1.base|) |c_worker_fnThread1of1ForFork0_#in~arg#1.offset|)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2034) |c_worker_fnThread1of1ForFork0_#in~arg#1.base|) |c_worker_fnThread1of1ForFork0_#in~arg#1.offset|))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2033) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) .cse0) .cse1)))) is different from false [2021-12-06 20:25:08,025 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2035 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| (* 12 |c_ULTIMATE.start_main_~i~5#1|)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2035) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2)) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2034) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2033) .cse0) (+ .cse1 4)) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2036) .cse0) .cse1))))) is different from false [2021-12-06 20:25:08,040 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2035 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int)) (v_ArrVal_2032 (Array Int Int)) (v_ArrVal_2031 (Array Int Int)) (v_ArrVal_2030 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| (* 12 |c_ULTIMATE.start_main_~i~5#1|)))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2031)) (.cse1 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2032) |c_~#pre~0.base| v_ArrVal_2035) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse3)) (.cse2 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2030) |c_~#pre~0.base| v_ArrVal_2034) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse3))) (< (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_2033) .cse1) (+ .cse2 4)) (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_2036) .cse1) .cse2))))) is different from false [2021-12-06 20:25:08,076 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2036 (Array Int Int)) (v_ArrVal_2035 (Array Int Int)) (v_ArrVal_2034 (Array Int Int)) (v_ArrVal_2033 (Array Int Int)) (v_ArrVal_2032 (Array Int Int)) (v_ArrVal_2031 (Array Int Int)) (v_ArrVal_2030 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2031)) (.cse1 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2032) |c_~#pre~0.base| v_ArrVal_2035) |c_ULTIMATE.start_main_~#a~1#1.base|) |c_ULTIMATE.start_main_~#a~1#1.offset|)) (.cse2 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2030) |c_~#pre~0.base| v_ArrVal_2034) |c_ULTIMATE.start_main_~#a~1#1.base|) |c_ULTIMATE.start_main_~#a~1#1.offset|))) (< (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_2033) .cse1) (+ 4 .cse2)) (select (select (store .cse0 |c_~#pre~0.base| v_ArrVal_2036) .cse1) .cse2)))) is different from false [2021-12-06 20:25:08,435 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-12-06 20:25:08,435 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 103 treesize of output 96 [2021-12-06 20:25:08,541 INFO L354 Elim1Store]: treesize reduction 50, result has 75.4 percent of original size [2021-12-06 20:25:08,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2492 treesize of output 2138 [2021-12-06 20:25:08,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:25:08,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1980 treesize of output 1724 [2021-12-06 20:25:08,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1724 treesize of output 1452 [2021-12-06 20:25:08,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1452 treesize of output 1212 [2021-12-06 20:25:50,562 INFO L354 Elim1Store]: treesize reduction 1718, result has 8.2 percent of original size [2021-12-06 20:25:50,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 12 case distinctions, treesize of input 409 treesize of output 409 [2021-12-06 20:25:50,946 INFO L354 Elim1Store]: treesize reduction 2577, result has 8.2 percent of original size [2021-12-06 20:25:50,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 18 case distinctions, treesize of input 409 treesize of output 484 [2021-12-06 20:25:51,037 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:25:51,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2509 treesize of output 2413 [2021-12-06 20:25:51,154 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:25:51,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2515 treesize of output 2479 [2021-12-06 20:25:51,274 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:25:51,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2711 treesize of output 2671 [2021-12-06 20:25:51,395 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:25:51,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 2889 treesize of output 2849 [2021-12-06 20:25:51,532 INFO L354 Elim1Store]: treesize reduction 316, result has 6.2 percent of original size [2021-12-06 20:25:51,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 3799 treesize of output 3735 [2021-12-06 20:25:51,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3514 treesize of output 3482 [2021-12-06 20:25:51,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3482 treesize of output 3354 [2021-12-06 20:25:51,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3354 treesize of output 3290 [2021-12-06 20:25:51,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3290 treesize of output 3274 [2021-12-06 20:25:51,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3274 treesize of output 3270 [2021-12-06 20:25:51,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3270 treesize of output 3262 [2021-12-06 20:25:51,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3262 treesize of output 3258 [2021-12-06 20:25:51,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3258 treesize of output 3256 [2021-12-06 20:25:51,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3256 treesize of output 3248 [2021-12-06 20:25:52,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3248 treesize of output 3232 [2021-12-06 20:25:52,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3232 treesize of output 3228 [2021-12-06 20:25:52,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3228 treesize of output 3220 [2021-12-06 20:25:52,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3220 treesize of output 3204 [2021-12-06 20:25:52,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3204 treesize of output 3140 [2021-12-06 20:25:52,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3140 treesize of output 3108 [2021-12-06 20:25:52,234 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 20:25:52,234 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:25:52,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2021-12-06 20:25:52,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451634953] [2021-12-06 20:25:52,234 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 20:25:52,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-06 20:25:52,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-06 20:25:52,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=4595, Unknown=88, NotChecked=1628, Total=6642 [2021-12-06 20:25:52,242 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 527 [2021-12-06 20:25:52,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 707 places, 760 transitions, 4847 flow. Second operand has 32 states, 32 states have (on average 331.1875) internal successors, (10598), 32 states have internal predecessors, (10598), 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 20:25:52,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:25:52,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 527 [2021-12-06 20:25:52,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:26:12,330 INFO L129 PetriNetUnfolder]: 6666/31803 cut-off events. [2021-12-06 20:26:12,330 INFO L130 PetriNetUnfolder]: For 50428/50913 co-relation queries the response was YES. [2021-12-06 20:26:12,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64823 conditions, 31803 events. 6666/31803 cut-off events. For 50428/50913 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 372416 event pairs, 2517 based on Foata normal form. 184/29471 useless extension candidates. Maximal degree in co-relation 64730. Up to 7709 conditions per place. [2021-12-06 20:26:12,853 INFO L132 encePairwiseOnDemand]: 495/527 looper letters, 553 selfloop transitions, 210 changer transitions 0/1142 dead transitions. [2021-12-06 20:26:12,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 741 places, 1142 transitions, 9011 flow [2021-12-06 20:26:12,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-06 20:26:12,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-12-06 20:26:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 12015 transitions. [2021-12-06 20:26:12,917 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.651396042287883 [2021-12-06 20:26:12,917 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 12015 transitions. [2021-12-06 20:26:12,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 12015 transitions. [2021-12-06 20:26:12,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:26:12,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 12015 transitions. [2021-12-06 20:26:12,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 343.2857142857143) internal successors, (12015), 35 states have internal predecessors, (12015), 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 20:26:12,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 527.0) internal successors, (18972), 36 states have internal predecessors, (18972), 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 20:26:12,938 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 527.0) internal successors, (18972), 36 states have internal predecessors, (18972), 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 20:26:12,938 INFO L186 Difference]: Start difference. First operand has 707 places, 760 transitions, 4847 flow. Second operand 35 states and 12015 transitions. [2021-12-06 20:26:12,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 741 places, 1142 transitions, 9011 flow [2021-12-06 20:26:13,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 721 places, 1142 transitions, 8928 flow, removed 13 selfloop flow, removed 20 redundant places. [2021-12-06 20:26:13,173 INFO L242 Difference]: Finished difference. Result has 731 places, 834 transitions, 6845 flow [2021-12-06 20:26:13,174 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=4766, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=6845, PETRI_PLACES=731, PETRI_TRANSITIONS=834} [2021-12-06 20:26:13,174 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 263 predicate places. [2021-12-06 20:26:13,174 INFO L470 AbstractCegarLoop]: Abstraction has has 731 places, 834 transitions, 6845 flow [2021-12-06 20:26:13,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 331.1875) internal successors, (10598), 32 states have internal predecessors, (10598), 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 20:26:13,175 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:26:13,175 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:13,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-06 20:26:13,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 20:26:13,377 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:26:13,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:26:13,378 INFO L85 PathProgramCache]: Analyzing trace with hash 339666121, now seen corresponding path program 1 times [2021-12-06 20:26:13,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:26:13,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978212736] [2021-12-06 20:26:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:26:13,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:26:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:26:15,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:26:15,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978212736] [2021-12-06 20:26:15,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978212736] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:26:15,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141637432] [2021-12-06 20:26:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:26:15,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:26:15,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:26:15,245 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:26:15,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 20:26:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:15,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 93 conjunts are in the unsatisfiable core [2021-12-06 20:26:15,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:26:15,531 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:26:15,531 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 17 treesize of output 21 [2021-12-06 20:26:15,607 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:26:15,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 20:26:16,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 20:26:16,245 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 15 treesize of output 11 [2021-12-06 20:26:16,385 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 20:26:16,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:26:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:26:16,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-12-06 20:26:16,468 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 20:26:16,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:26:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:26:16,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 20:26:17,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:26:17,325 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 20:26:17,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:26:17,500 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:26:17,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 83 [2021-12-06 20:26:17,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2021-12-06 20:26:17,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2021-12-06 20:26:17,784 INFO L354 Elim1Store]: treesize reduction 12, result has 61.3 percent of original size [2021-12-06 20:26:17,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 31 [2021-12-06 20:26:18,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2021-12-06 20:26:18,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 57 [2021-12-06 20:26:18,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:26:18,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-06 20:26:18,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2021-12-06 20:26:18,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2021-12-06 20:26:19,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:26:19,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2021-12-06 20:26:19,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 20:26:20,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:26:20,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2021-12-06 20:26:20,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-12-06 20:26:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:26:20,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:26:21,203 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2215 (Array Int Int)) (v_ArrVal_2214 (Array Int Int)) (v_ArrVal_2213 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2214) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2215) |c_ULTIMATE.start_worker_fn_~a~0#1.base|) |c_ULTIMATE.start_worker_fn_~a~0#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2213) |c_ULTIMATE.start_worker_fn_~a~0#1.base|) |c_ULTIMATE.start_worker_fn_~a~0#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:26:21,230 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2215 (Array Int Int)) (v_ArrVal_2214 (Array Int Int)) (v_ArrVal_2213 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2214) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2215) |c_ULTIMATE.start_worker_fn_~arg#1.base|) |c_ULTIMATE.start_worker_fn_~arg#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2213) |c_ULTIMATE.start_worker_fn_~arg#1.base|) |c_ULTIMATE.start_worker_fn_~arg#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:26:21,242 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2215 (Array Int Int)) (v_ArrVal_2214 (Array Int Int)) (v_ArrVal_2213 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2214) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2215) |c_ULTIMATE.start_worker_fn_#in~arg#1.base|) |c_ULTIMATE.start_worker_fn_#in~arg#1.offset|))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2213) |c_ULTIMATE.start_worker_fn_#in~arg#1.base|) |c_ULTIMATE.start_worker_fn_#in~arg#1.offset|))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1)))) is different from false [2021-12-06 20:26:21,263 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2215 (Array Int Int)) (v_ArrVal_2214 (Array Int Int)) (v_ArrVal_2213 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| 12))) (let ((.cse0 (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_2214) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_2215) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_2213) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1))))) is different from false [2021-12-06 20:26:21,345 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2209 (Array Int Int)) (v_ArrVal_2208 (Array Int Int)) (v_ArrVal_2207 (Array Int Int)) (v_ArrVal_2215 (Array Int Int)) (v_ArrVal_2214 (Array Int Int)) (v_ArrVal_2213 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~#a~1#1.offset| 12))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2207) |c_~#pre~0.base| v_ArrVal_2214) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2208) |c_~#pre~0.base| v_ArrVal_2215) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (.cse1 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_2209) |c_~#pre~0.base| v_ArrVal_2213) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse2))) (< (select .cse0 (+ .cse1 4)) (select .cse0 .cse1))))) is different from false [2021-12-06 20:26:21,792 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-12-06 20:26:21,792 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 111 treesize of output 104 [2021-12-06 20:26:21,908 INFO L354 Elim1Store]: treesize reduction 54, result has 75.8 percent of original size [2021-12-06 20:26:21,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 676 treesize of output 694 [2021-12-06 20:26:21,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:26:21,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 188 [2021-12-06 20:26:21,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:26:21,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 448 treesize of output 304 [2021-12-06 20:26:34,568 INFO L354 Elim1Store]: treesize reduction 264, result has 22.6 percent of original size [2021-12-06 20:26:34,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 428 treesize of output 365 [2021-12-06 20:26:34,746 INFO L354 Elim1Store]: treesize reduction 528, result has 22.5 percent of original size [2021-12-06 20:26:34,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 365 treesize of output 405 [2021-12-06 20:26:34,795 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:26:34,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 959 treesize of output 919 [2021-12-06 20:26:34,855 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:26:34,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1181 treesize of output 1153 [2021-12-06 20:26:34,927 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:26:34,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3431 treesize of output 3319 [2021-12-06 20:26:35,020 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:26:35,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3567 treesize of output 3539 [2021-12-06 20:26:35,114 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:26:35,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3649 treesize of output 3627 [2021-12-06 20:26:35,213 INFO L354 Elim1Store]: treesize reduction 87, result has 10.3 percent of original size [2021-12-06 20:26:35,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 4703 treesize of output 4639 [2021-12-06 20:26:35,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4506 treesize of output 4490 [2021-12-06 20:26:35,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4490 treesize of output 4458 [2021-12-06 20:26:35,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4458 treesize of output 4394 [2021-12-06 20:26:35,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4394 treesize of output 4386 [2021-12-06 20:26:35,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4386 treesize of output 4370 [2021-12-06 20:26:35,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4370 treesize of output 4338 [2021-12-06 20:26:35,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4338 treesize of output 4210 [2021-12-06 20:26:35,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4210 treesize of output 3954 [2021-12-06 20:26:35,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3954 treesize of output 3890 [2021-12-06 20:26:35,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3890 treesize of output 3882 [2021-12-06 20:26:35,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3882 treesize of output 3866 [2021-12-06 20:26:35,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3866 treesize of output 3834 [2021-12-06 20:26:35,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3834 treesize of output 3826 [2021-12-06 20:26:35,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3826 treesize of output 3822 [2021-12-06 20:26:35,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3822 treesize of output 3806 [2021-12-06 20:26:35,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3806 treesize of output 3774 [2021-12-06 20:26:35,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3774 treesize of output 3646 [2021-12-06 20:26:36,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3646 treesize of output 3582 [2021-12-06 20:26:36,042 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-12-06 20:26:36,042 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:26:36,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-12-06 20:26:36,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380237955] [2021-12-06 20:26:36,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 20:26:36,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-06 20:26:36,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:26:36,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-06 20:26:36,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=3615, Unknown=42, NotChecked=630, Total=4556 [2021-12-06 20:26:36,050 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 527 [2021-12-06 20:26:36,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 834 transitions, 6845 flow. Second operand has 28 states, 28 states have (on average 335.35714285714283) internal successors, (9390), 28 states have internal predecessors, (9390), 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 20:26:36,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:26:36,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 527 [2021-12-06 20:26:36,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:26:51,840 INFO L129 PetriNetUnfolder]: 6144/28897 cut-off events. [2021-12-06 20:26:51,840 INFO L130 PetriNetUnfolder]: For 61401/62049 co-relation queries the response was YES. [2021-12-06 20:26:52,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62378 conditions, 28897 events. 6144/28897 cut-off events. For 61401/62049 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 336985 event pairs, 2489 based on Foata normal form. 339/27013 useless extension candidates. Maximal degree in co-relation 62275. Up to 8504 conditions per place. [2021-12-06 20:26:52,438 INFO L132 encePairwiseOnDemand]: 498/527 looper letters, 526 selfloop transitions, 215 changer transitions 0/1169 dead transitions. [2021-12-06 20:26:52,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 757 places, 1169 transitions, 11802 flow [2021-12-06 20:26:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-06 20:26:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-12-06 20:26:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 9368 transitions. [2021-12-06 20:26:52,445 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.658373743762738 [2021-12-06 20:26:52,445 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 9368 transitions. [2021-12-06 20:26:52,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 9368 transitions. [2021-12-06 20:26:52,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:26:52,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 9368 transitions. [2021-12-06 20:26:52,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 346.962962962963) internal successors, (9368), 27 states have internal predecessors, (9368), 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 20:26:52,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 527.0) internal successors, (14756), 28 states have internal predecessors, (14756), 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 20:26:52,460 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 527.0) internal successors, (14756), 28 states have internal predecessors, (14756), 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 20:26:52,460 INFO L186 Difference]: Start difference. First operand has 731 places, 834 transitions, 6845 flow. Second operand 27 states and 9368 transitions. [2021-12-06 20:26:52,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 757 places, 1169 transitions, 11802 flow [2021-12-06 20:26:52,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 1169 transitions, 11621 flow, removed 61 selfloop flow, removed 21 redundant places. [2021-12-06 20:26:52,759 INFO L242 Difference]: Finished difference. Result has 744 places, 899 transitions, 9055 flow [2021-12-06 20:26:52,760 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=527, PETRI_DIFFERENCE_MINUEND_FLOW=6724, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=9055, PETRI_PLACES=744, PETRI_TRANSITIONS=899} [2021-12-06 20:26:52,760 INFO L334 CegarLoopForPetriNet]: 468 programPoint places, 276 predicate places. [2021-12-06 20:26:52,760 INFO L470 AbstractCegarLoop]: Abstraction has has 744 places, 899 transitions, 9055 flow [2021-12-06 20:26:52,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 335.35714285714283) internal successors, (9390), 28 states have internal predecessors, (9390), 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 20:26:52,761 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:26:52,761 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:26:52,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 20:26:52,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:26:52,963 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-12-06 20:26:52,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:26:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash 281138871, now seen corresponding path program 2 times [2021-12-06 20:26:52,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:26:52,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045912926] [2021-12-06 20:26:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:26:52,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:26:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:26:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 20:26:54,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:26:54,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045912926] [2021-12-06 20:26:54,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045912926] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:26:54,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468860941] [2021-12-06 20:26:54,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:26:54,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:26:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:26:54,968 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:26:54,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c13c180-eadd-49b4-a566-70102e0347dd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 20:26:55,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:26:55,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:26:55,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 91 conjunts are in the unsatisfiable core [2021-12-06 20:26:55,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:26:55,321 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:26:55,321 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 17 treesize of output 21 [2021-12-06 20:26:55,390 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 20:26:55,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33