./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9 --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 222be94abfdbb514b1917b4bfb3a2a13389b64e1e049c782003790d790f6753f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:01:13,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:01:13,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:01:13,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:01:13,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:01:13,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:01:13,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:01:13,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:01:13,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:01:13,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:01:13,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:01:13,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:01:13,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:01:13,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:01:13,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:01:13,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:01:13,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:01:13,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:01:13,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:01:13,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:01:13,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:01:13,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:01:13,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:01:13,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:01:13,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:01:13,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:01:13,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:01:13,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:01:13,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:01:13,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:01:13,300 INFO L153 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_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222be94abfdbb514b1917b4bfb3a2a13389b64e1e049c782003790d790f6753f [2023-12-03 00:01:13,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:01:13,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:01:13,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:01:13,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:01:13,564 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:01:13,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c [2023-12-03 00:01:16,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:01:16,615 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:01:16,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c [2023-12-03 00:01:16,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data/170f5e11c/1c969c9d68504a008bc4baaa1a62c511/FLAG89d5f6309 [2023-12-03 00:01:16,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data/170f5e11c/1c969c9d68504a008bc4baaa1a62c511 [2023-12-03 00:01:16,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:01:16,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:01:16,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:01:16,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:01:16,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:01:16,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:01:16" (1/1) ... [2023-12-03 00:01:16,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e7b321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:16, skipping insertion in model container [2023-12-03 00:01:16,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:01:16" (1/1) ... [2023-12-03 00:01:16,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:01:16,854 WARN L240 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_c3fc183b-e3c2-478c-a631-74de5a219796/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c[1280,1293] [2023-12-03 00:01:17,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:01:17,090 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:01:17,100 WARN L240 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_c3fc183b-e3c2-478c-a631-74de5a219796/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c[1280,1293] [2023-12-03 00:01:17,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:01:17,219 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:01:17,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17 WrapperNode [2023-12-03 00:01:17,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:01:17,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:01:17,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:01:17,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:01:17,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,474 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2245 [2023-12-03 00:01:17,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:01:17,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:01:17,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:01:17,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:01:17,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:01:17,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:01:17,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:01:17,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:01:17,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:17" (1/1) ... [2023-12-03 00:01:17,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:01:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:01:17,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:01:17,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:01:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:01:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:01:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:01:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:01:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:01:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:01:18,064 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:01:18,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:01:19,981 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:01:23,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:01:23,009 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:01:23,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:23 BoogieIcfgContainer [2023-12-03 00:01:23,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:01:23,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:01:23,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:01:23,023 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:01:23,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:23" (1/1) ... [2023-12-03 00:01:23,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:01:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 00:01:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 00:01:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:01:23,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:23,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:01:39,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:01:42,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:01:44,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:01:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 00:01:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 00:01:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:01:44,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:44,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:02:11,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:02:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:02:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:02:59,432 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:02:59,435 INFO L158 Benchmark]: Toolchain (without parser) took 102787.34ms. Allocated memory was 165.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 125.0MB in the beginning and 929.3MB in the end (delta: -804.3MB). Peak memory consumption was 274.1MB. Max. memory is 16.1GB. [2023-12-03 00:02:59,435 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:02:59,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.03ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 85.2MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 00:02:59,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 254.16ms. Allocated memory is still 165.7MB. Free memory was 85.2MB in the beginning and 108.4MB in the end (delta: -23.2MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2023-12-03 00:02:59,438 INFO L158 Benchmark]: Boogie Preprocessor took 288.58ms. Allocated memory is still 165.7MB. Free memory was 108.4MB in the beginning and 95.7MB in the end (delta: 12.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-12-03 00:02:59,438 INFO L158 Benchmark]: RCFGBuilder took 5246.73ms. Allocated memory was 165.7MB in the beginning and 461.4MB in the end (delta: 295.7MB). Free memory was 95.1MB in the beginning and 267.5MB in the end (delta: -172.3MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. [2023-12-03 00:02:59,439 INFO L158 Benchmark]: CodeCheck took 96422.03ms. Allocated memory was 461.4MB in the beginning and 1.2GB in the end (delta: 782.2MB). Free memory was 267.5MB in the beginning and 929.3MB in the end (delta: -661.8MB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB. [2023-12-03 00:02:59,443 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.03ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 85.2MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 254.16ms. Allocated memory is still 165.7MB. Free memory was 85.2MB in the beginning and 108.4MB in the end (delta: -23.2MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 288.58ms. Allocated memory is still 165.7MB. Free memory was 108.4MB in the beginning and 95.7MB in the end (delta: 12.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5246.73ms. Allocated memory was 165.7MB in the beginning and 461.4MB in the end (delta: 295.7MB). Free memory was 95.1MB in the beginning and 267.5MB in the end (delta: -172.3MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. * CodeCheck took 96422.03ms. Allocated memory was 461.4MB in the beginning and 1.2GB in the end (delta: 782.2MB). Free memory was 267.5MB in the beginning and 929.3MB in the end (delta: -661.8MB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:02:59,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9 --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 222be94abfdbb514b1917b4bfb3a2a13389b64e1e049c782003790d790f6753f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:03:01,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:03:01,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:03:01,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:03:01,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:03:01,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:03:01,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:03:01,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:03:01,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:03:01,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:03:01,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:03:01,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:03:01,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:03:01,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:03:01,501 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:03:01,501 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:03:01,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:03:01,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:03:01,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:03:01,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:03:01,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:03:01,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:03:01,505 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:01,506 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:03:01,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:03:01,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:01,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:03:01,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:03:01,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:03:01,509 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:03:01,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:01,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:03:01,510 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:03:01,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:03:01,510 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222be94abfdbb514b1917b4bfb3a2a13389b64e1e049c782003790d790f6753f [2023-12-03 00:03:01,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:03:01,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:03:01,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:03:01,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:03:01,813 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:03:01,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c [2023-12-03 00:03:04,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:03:04,849 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:03:04,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c [2023-12-03 00:03:04,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data/0bb44fc40/356e13fa826842b3ab4399fedbcdc32e/FLAGbdd31491f [2023-12-03 00:03:04,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/data/0bb44fc40/356e13fa826842b3ab4399fedbcdc32e [2023-12-03 00:03:04,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:03:04,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:03:04,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:04,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:03:04,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:03:04,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:04" (1/1) ... [2023-12-03 00:03:04,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51116542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:04, skipping insertion in model container [2023-12-03 00:03:04,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:04" (1/1) ... [2023-12-03 00:03:04,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:03:05,117 WARN L240 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_c3fc183b-e3c2-478c-a631-74de5a219796/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c[1280,1293] [2023-12-03 00:03:05,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:05,311 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:03:05,323 WARN L240 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_c3fc183b-e3c2-478c-a631-74de5a219796/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d16_e0.c[1280,1293] [2023-12-03 00:03:05,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:05,423 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:03:05,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05 WrapperNode [2023-12-03 00:03:05,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:05,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:05,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:03:05,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:03:05,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,517 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 915 [2023-12-03 00:03:05,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:05,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:03:05,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:03:05,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:03:05,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:03:05,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:03:05,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:03:05,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:03:05,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:05" (1/1) ... [2023-12-03 00:03:05,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:05,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:03:05,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:03:05,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:03:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:03:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:03:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:03:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:03:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:03:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:03:05,883 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:03:05,885 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:03:06,690 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:03:06,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:03:06,789 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:03:06,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:03:06 BoogieIcfgContainer [2023-12-03 00:03:06,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:03:06,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:03:06,792 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:03:06,802 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:03:06,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:03:06" (1/1) ... [2023-12-03 00:03:06,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:03:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 00:03:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 00:03:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:03:06,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:06,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:06,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:06,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:03:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:07,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:07,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:03:07,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:03:07,863 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:03:07,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-03 00:03:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 00:03:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:03:08,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:08,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:08,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:08,252 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:08,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:03:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:09,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:09,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 00:03:09,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 00:03:10,120 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:03:10,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:03:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2023-12-03 00:03:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-03 00:03:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:11,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:11,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:11,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:11,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:11,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:03:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:12,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:13,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:03:13,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:03:18,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:33,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:03:35,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:35,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:03:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:03:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:35,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:35,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:35,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:35,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:03:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:36,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:36,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:03:36,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:03:40,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:03:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:03:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:03:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:40,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:40,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:40,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:03:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:42,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:42,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 00:03:42,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:45,518 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:03:45,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:03:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:03:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:45,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:45,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:45,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:45,629 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:45,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:03:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:46,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:47,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:03:47,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:03:50,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:03:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:03:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:03:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:50,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:50,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:50,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:50,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:50,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:03:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:51,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:51,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:03:51,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:03:54,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:03:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:03:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:03:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:54,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:54,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:54,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:54,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:03:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:55,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:56,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:03:56,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:03:59,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:03:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:03:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:03:59,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:59,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:59,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:59,306 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:59,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:04:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:00,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:01,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:04:01,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:03,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:04:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:03,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:03,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:03,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:03,893 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:03,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:04:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:05,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:05,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 00:04:05,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:08,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:04:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:08,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:08,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:08,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:08,453 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:08,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:04:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:09,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:10,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:04:10,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:12,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:04:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:12,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:12,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:12,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:12,920 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:12,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:04:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:14,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:14,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 00:04:14,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:16,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:04:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:17,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:17,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:17,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:17,323 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:17,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:04:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:18,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:18,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:04:18,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:21,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:04:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:21,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:21,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:21,812 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:21,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:04:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:23,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:23,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 00:04:23,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:26,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 00:04:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:26,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:26,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:26,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:26,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:04:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:27,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:28,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:04:28,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:30,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:04:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 00:04:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 00:04:30,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:04:30,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:30,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:30,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:30,986 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:30,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:04:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:32,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:32,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 175 conjunts are in the unsatisfiable core [2023-12-03 00:04:32,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:04:36,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:04:50,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:05:00,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:05:11,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:05:22,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:05:32,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:05:42,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:05:52,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:06:03,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:06:04,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:06:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:04,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:04,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:04,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:04,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:04,739 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:04,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:06:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:05,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:06,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 00:06:06,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:06:09,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:06:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:09,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:09,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:09,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:09,234 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:09,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:06:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:10,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:10,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:06:10,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:06:13,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:06:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:13,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:13,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:13,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:13,687 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:13,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:06:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:14,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:15,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 00:06:15,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:06:18,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:06:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:18,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:18,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:18,348 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:18,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:06:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:19,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:19,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:06:20,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:06:23,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:06:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:23,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:23,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:23,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:23,100 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:23,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:06:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:24,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:24,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:06:24,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:06:27,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 00:06:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:27,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:27,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:27,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:27,414 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:27,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:06:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:28,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:29,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:06:29,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:06:31,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:06:31,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 140 transitions. [2023-12-03 00:06:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-12-03 00:06:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:06:31,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:31,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:06:31,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:06:31,903 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:06:31,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:06:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:33,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:06:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:33,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 240 conjunts are in the unsatisfiable core [2023-12-03 00:06:33,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 00:06:41,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:06:57,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:07:07,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:07:17,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:07:27,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:07:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:28,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:28,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:28,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:28,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:28,938 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:28,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:07:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:30,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:30,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:07:30,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:07:33,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:07:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:33,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:33,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:33,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:33,453 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:33,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:07:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:34,792 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:35,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:07:35,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:07:37,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:07:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:37,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:37,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:37,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:37,999 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:38,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:07:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:39,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:39,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:07:39,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:07:42,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:07:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:42,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:42,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:42,594 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:42,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:07:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:43,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:44,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 00:07:44,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:07:46,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:07:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:46,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:46,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:46,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:46,455 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:46,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:07:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:47,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:48,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:07:48,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:07:50,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:07:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:50,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:50,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:50,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:50,805 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:50,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:07:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:52,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:52,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 164 conjunts are in the unsatisfiable core [2023-12-03 00:07:52,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:07:55,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:07:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:07:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:07:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:07:55,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:55,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:07:55,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:07:55,933 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:07:55,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:07:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:57,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:07:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:57,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 00:07:57,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:00,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:08:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:00,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:00,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:00,731 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:00,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:08:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:02,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:02,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:08:02,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:05,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:08:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:05,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:05,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:05,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:05,116 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:05,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:08:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:06,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:06,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:08:06,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:09,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:08:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:09,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:09,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:09,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:09,423 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:09,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:08:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:10,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:11,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 211 conjunts are in the unsatisfiable core [2023-12-03 00:08:11,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 00:08:18,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:08:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:20,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:20,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:20,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:20,943 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:20,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:08:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:22,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:22,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:08:22,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:25,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:08:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:25,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:25,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:25,415 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:08:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:26,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:08:27,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:29,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:08:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:29,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:29,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:29,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:29,771 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:29,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:08:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:31,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:31,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 00:08:31,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:34,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:08:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:34,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:34,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:34,564 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:34,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:08:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:35,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:36,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:08:36,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:39,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:08:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:39,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:39,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:39,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:39,179 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:39,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:08:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:40,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:40,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 211 conjunts are in the unsatisfiable core [2023-12-03 00:08:40,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 00:08:44,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:08:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:45,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:45,086 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:45,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:08:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:46,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:46,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:08:46,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:49,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:08:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:49,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:49,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:49,268 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:49,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:08:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:50,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:50,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 00:08:51,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:53,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:08:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:53,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:53,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:53,893 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:53,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:08:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:55,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:55,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:08:55,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:08:58,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:08:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:08:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:08:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:08:58,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:58,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:58,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:58,390 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:58,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:08:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:00,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:09:00,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:09:02,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:09:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:09:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:09:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:09:02,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:02,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:02,776 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:02,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:09:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:04,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:04,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:09:04,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:09:07,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:09:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:09:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:09:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:09:07,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:07,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:07,388 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:07,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:09:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:08,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:09,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 00:09:09,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:11,908 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 00:09:11,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:09:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 166 transitions. [2023-12-03 00:09:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2023-12-03 00:09:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:09:12,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:12,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:12,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:12,021 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:12,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:09:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:13,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:13,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 177 conjunts are in the unsatisfiable core [2023-12-03 00:09:13,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 5 proven. 38 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-03 00:09:17,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:09:34,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:09:41,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:09:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 176 transitions. [2023-12-03 00:09:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 176 transitions. [2023-12-03 00:09:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:09:41,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:41,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:41,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:41,790 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:41,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:09:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:44,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:45,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 396 conjunts are in the unsatisfiable core [2023-12-03 00:09:45,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:15,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-03 00:12:15,658 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-03 00:12:15,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3fc183b-e3c2-478c-a631-74de5a219796/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:12:15,678 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:12:15,682 INFO L158 Benchmark]: Toolchain (without parser) took 550797.13ms. Allocated memory was 102.8MB in the beginning and 960.5MB in the end (delta: 857.7MB). Free memory was 78.1MB in the beginning and 354.3MB in the end (delta: -276.3MB). Peak memory consumption was 621.9MB. Max. memory is 16.1GB. [2023-12-03 00:12:15,682 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:12:15,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.59ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 73.1MB in the end (delta: 4.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-12-03 00:12:15,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.20ms. Allocated memory is still 102.8MB. Free memory was 73.1MB in the beginning and 65.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:12:15,683 INFO L158 Benchmark]: Boogie Preprocessor took 79.80ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 61.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:12:15,684 INFO L158 Benchmark]: RCFGBuilder took 1192.61ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 61.0MB in the beginning and 81.1MB in the end (delta: -20.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-03 00:12:15,684 INFO L158 Benchmark]: CodeCheck took 548889.06ms. Allocated memory was 127.9MB in the beginning and 960.5MB in the end (delta: 832.6MB). Free memory was 81.1MB in the beginning and 354.3MB in the end (delta: -273.2MB). Peak memory consumption was 597.7MB. Max. memory is 16.1GB. [2023-12-03 00:12:15,687 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.59ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 73.1MB in the end (delta: 4.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.20ms. Allocated memory is still 102.8MB. Free memory was 73.1MB in the beginning and 65.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.80ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 61.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.61ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 61.0MB in the beginning and 81.1MB in the end (delta: -20.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * CodeCheck took 548889.06ms. Allocated memory was 127.9MB in the beginning and 960.5MB in the end (delta: 832.6MB). Free memory was 81.1MB in the beginning and 354.3MB in the end (delta: -273.2MB). Peak memory consumption was 597.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants