./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4bafed6e88661139cd39a0b26436eebfdcb9e6792e4419ea951893fc447a4d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:31,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:31,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:49:31,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:49:31,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:49:31,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:31,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:31,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:31,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:31,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:31,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:31,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:31,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:31,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:31,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:31,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:31,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:31,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:31,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:31,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:31,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:31,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:31,820 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:49:31,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:49:31,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4bafed6e88661139cd39a0b26436eebfdcb9e6792e4419ea951893fc447a4d5 [2024-11-13 20:49:32,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:32,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:32,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:32,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:32,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:32,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:49:34,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:34,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:34,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c [2024-11-13 20:49:34,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/data/7cde8bad5/428a26cbac504ae2a22c7e4e6326f3ec/FLAG85916de47 [2024-11-13 20:49:34,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/data/7cde8bad5/428a26cbac504ae2a22c7e4e6326f3ec [2024-11-13 20:49:34,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:34,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:34,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:34,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:34,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:34,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:34" (1/1) ... [2024-11-13 20:49:34,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad7b1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:34, skipping insertion in model container [2024-11-13 20:49:34,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:34" (1/1) ... [2024-11-13 20:49:35,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:35,351 WARN L250 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_342d81fa-cc18-493c-8f8f-82553d7848da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c[1172,1185] [2024-11-13 20:49:36,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:36,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:36,075 WARN L250 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_342d81fa-cc18-493c-8f8f-82553d7848da/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop2-back-serstep.c[1172,1185] [2024-11-13 20:49:36,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:36,590 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:36,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36 WrapperNode [2024-11-13 20:49:36,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:36,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:36,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:36,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:36,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:36,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:38,098 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11615 [2024-11-13 20:49:38,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:38,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:38,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:38,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:38,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:38,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:38,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:38,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:39,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:39,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:39,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:39,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:40,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:40,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:40,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:40,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:40,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:36" (1/1) ... [2024-11-13 20:49:40,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:40,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:40,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_342d81fa-cc18-493c-8f8f-82553d7848da/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:49:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:40,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:40,915 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:40,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:04,209 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:04,210 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:27,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:27,930 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:50:27,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:27 BoogieIcfgContainer [2024-11-13 20:50:27,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:27,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:27,932 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:27,944 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:27,945 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:27" (1/1) ... [2024-11-13 20:50:27,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:50:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:50:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:50:28,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:28,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:46,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:50:56,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:50:58,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:51:03,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:51:08,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:51:18,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:51:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:51:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:51:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:51:18,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:18,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms