./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:38:17,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:38:18,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:38:18,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:38:18,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:38:18,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:38:18,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:38:18,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:38:18,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:38:18,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:38:18,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:38:18,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:38:18,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:38:18,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:38:18,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:38:18,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:38:18,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:38:18,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:38:18,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:38:18,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:38:18,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:38:18,076 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:38:18,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:38:18,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:18,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:38:18,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:38:18,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:38:18,079 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:38:18,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:38:18,080 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:38:18,080 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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e [2023-12-03 00:38:18,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:38:18,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:38:18,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:38:18,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:38:18,354 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:38:18,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-12-03 00:38:21,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:38:21,447 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:38:21,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-12-03 00:38:21,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data/4f2291a93/4d033c7cdf73438f813d94be1107427c/FLAG2ffb4ab57 [2023-12-03 00:38:21,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data/4f2291a93/4d033c7cdf73438f813d94be1107427c [2023-12-03 00:38:21,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:38:21,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:38:21,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:21,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:38:21,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:38:21,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1aaf31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21, skipping insertion in model container [2023-12-03 00:38:21,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:38:21,686 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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-12-03 00:38:21,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:21,746 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:38:21,760 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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-12-03 00:38:21,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:21,805 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:38:21,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21 WrapperNode [2023-12-03 00:38:21,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:21,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:21,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:38:21,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:38:21,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,874 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 236 [2023-12-03 00:38:21,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:21,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:38:21,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:38:21,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:38:21,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:38:21,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:38:21,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:38:21,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:38:21,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:21" (1/1) ... [2023-12-03 00:38:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:38:21,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:38:21,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:38:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:38:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:38:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:38:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:38:22,095 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:38:22,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:38:22,442 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:38:22,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:38:22,675 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:38:22,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:22 BoogieIcfgContainer [2023-12-03 00:38:22,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:38:22,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:38:22,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:38:22,689 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:38:22,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:22" (1/1) ... [2023-12-03 00:38:22,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:38:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:38:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:38:22,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:38:22,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:22,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:38:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:24,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:38:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:38:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:38:24,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:24,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:38:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-12-03 00:38:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-12-03 00:38:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:38:28,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:38:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:28,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:38:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:29,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:38:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:38:30,155 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 00:38:30,201 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 00:38:30,202 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 00:38:30,202 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 00:38:30,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:38:30 ImpRootNode [2023-12-03 00:38:30,215 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:38:30,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:38:30,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:38:30,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:38:30,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:22" (3/4) ... [2023-12-03 00:38:30,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:38:30,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:38:30,222 INFO L158 Benchmark]: Toolchain (without parser) took 8741.81ms. Allocated memory was 138.4MB in the beginning and 283.1MB in the end (delta: 144.7MB). Free memory was 110.2MB in the beginning and 106.1MB in the end (delta: 4.0MB). Peak memory consumption was 151.7MB. Max. memory is 16.1GB. [2023-12-03 00:38:30,222 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:38:30,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.69ms. Allocated memory is still 138.4MB. Free memory was 109.9MB in the beginning and 97.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:38:30,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.86ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 92.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:38:30,224 INFO L158 Benchmark]: Boogie Preprocessor took 50.99ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:38:30,225 INFO L158 Benchmark]: RCFGBuilder took 750.02ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 79.2MB in the end (delta: 11.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 00:38:30,226 INFO L158 Benchmark]: CodeCheck took 7537.51ms. Allocated memory was 138.4MB in the beginning and 283.1MB in the end (delta: 144.7MB). Free memory was 79.2MB in the beginning and 106.1MB in the end (delta: -27.0MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2023-12-03 00:38:30,226 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 283.1MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:38:30,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 2 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L32] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L33] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L35] const SORT_4 var_8 = 0; [L36] const SORT_12 var_14 = 1; [L37] const SORT_1 var_25 = 1; [L38] const SORT_1 var_42 = 0; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_4 input_5; [L43] SORT_1 input_6; [L44] SORT_1 input_7; [L45] SORT_4 input_29; [L46] SORT_4 input_31; [L47] SORT_4 input_33; [L48] SORT_4 input_35; [L49] SORT_4 input_37; [L50] SORT_4 input_39; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L52] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L53] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_4 init_10_arg_1 = var_8; [L57] state_9 = init_10_arg_1 [L58] SORT_4 init_18_arg_1 = var_8; [L59] state_17 = init_18_arg_1 [L60] SORT_1 init_44_arg_1 = var_42; [L61] state_43 = init_44_arg_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_14=1, var_25=1, var_42=0, var_8=0] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_3 = __VERIFIER_nondet_uchar() [L66] input_5 = __VERIFIER_nondet_uchar() [L67] input_6 = __VERIFIER_nondet_uchar() [L68] input_7 = __VERIFIER_nondet_uchar() [L69] input_29 = __VERIFIER_nondet_uchar() [L70] input_31 = __VERIFIER_nondet_uchar() [L71] input_33 = __VERIFIER_nondet_uchar() [L72] input_35 = __VERIFIER_nondet_uchar() [L73] input_37 = __VERIFIER_nondet_uchar() [L74] input_39 = __VERIFIER_nondet_uchar() [L77] SORT_4 var_11_arg_0 = state_9; [L78] SORT_1 var_11 = var_11_arg_0 >> 7; [L79] SORT_1 var_13_arg_0 = var_11; [L80] EXPR var_13_arg_0 & mask_SORT_1 [L80] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L81] SORT_12 var_13 = var_13_arg_0; [L82] SORT_12 var_15_arg_0 = var_13; [L83] SORT_12 var_15_arg_1 = var_14; [L84] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L85] SORT_1 var_16_arg_0 = var_15; [L86] SORT_1 var_16 = ~var_16_arg_0; [L87] SORT_4 var_19_arg_0 = state_17; [L88] SORT_1 var_19 = var_19_arg_0 >> 7; [L89] SORT_1 var_20_arg_0 = var_19; [L90] EXPR var_20_arg_0 & mask_SORT_1 [L90] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L91] SORT_12 var_20 = var_20_arg_0; [L92] SORT_12 var_21_arg_0 = var_20; [L93] SORT_12 var_21_arg_1 = var_14; [L94] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L95] SORT_1 var_22_arg_0 = var_16; [L96] SORT_1 var_22_arg_1 = var_21; [L97] EXPR var_22_arg_0 | var_22_arg_1 [L97] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L98] SORT_1 var_26_arg_0 = var_22; [L99] SORT_1 var_26 = ~var_26_arg_0; [L100] SORT_1 var_27_arg_0 = var_25; [L101] SORT_1 var_27_arg_1 = var_26; [L102] EXPR var_27_arg_0 & var_27_arg_1 [L102] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L103] EXPR var_27 & mask_SORT_1 [L103] var_27 = var_27 & mask_SORT_1 [L104] SORT_1 bad_28_arg_0 = var_27; [L105] CALL __VERIFIER_assert(!(bad_28_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_28_arg_0)) [L107] SORT_1 var_45_arg_0 = state_43; [L108] SORT_4 var_45_arg_1 = input_5; [L109] SORT_4 var_45_arg_2 = state_9; [L110] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L111] SORT_4 next_46_arg_1 = var_45; [L112] SORT_1 var_47_arg_0 = state_43; [L113] SORT_4 var_47_arg_1 = input_5; [L114] SORT_4 var_47_arg_2 = state_17; [L115] SORT_4 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L116] SORT_4 next_48_arg_1 = var_47; [L117] SORT_1 var_49_arg_0 = state_43; [L118] SORT_1 var_49_arg_1 = var_42; [L119] SORT_1 var_49_arg_2 = var_25; [L120] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L121] EXPR var_49 & mask_SORT_1 [L121] var_49 = var_49 & mask_SORT_1 [L122] SORT_1 next_50_arg_1 = var_49; [L124] state_9 = next_46_arg_1 [L125] state_17 = next_48_arg_1 [L126] state_43 = next_50_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_3 = __VERIFIER_nondet_uchar() [L66] input_5 = __VERIFIER_nondet_uchar() [L67] input_6 = __VERIFIER_nondet_uchar() [L68] input_7 = __VERIFIER_nondet_uchar() [L69] input_29 = __VERIFIER_nondet_uchar() [L70] input_31 = __VERIFIER_nondet_uchar() [L71] input_33 = __VERIFIER_nondet_uchar() [L72] input_35 = __VERIFIER_nondet_uchar() [L73] input_37 = __VERIFIER_nondet_uchar() [L74] input_39 = __VERIFIER_nondet_uchar() [L77] SORT_4 var_11_arg_0 = state_9; [L78] SORT_1 var_11 = var_11_arg_0 >> 7; [L79] SORT_1 var_13_arg_0 = var_11; [L80] EXPR var_13_arg_0 & mask_SORT_1 [L80] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L81] SORT_12 var_13 = var_13_arg_0; [L82] SORT_12 var_15_arg_0 = var_13; [L83] SORT_12 var_15_arg_1 = var_14; [L84] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L85] SORT_1 var_16_arg_0 = var_15; [L86] SORT_1 var_16 = ~var_16_arg_0; [L87] SORT_4 var_19_arg_0 = state_17; [L88] SORT_1 var_19 = var_19_arg_0 >> 7; [L89] SORT_1 var_20_arg_0 = var_19; [L90] EXPR var_20_arg_0 & mask_SORT_1 [L90] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L91] SORT_12 var_20 = var_20_arg_0; [L92] SORT_12 var_21_arg_0 = var_20; [L93] SORT_12 var_21_arg_1 = var_14; [L94] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L95] SORT_1 var_22_arg_0 = var_16; [L96] SORT_1 var_22_arg_1 = var_21; [L97] EXPR var_22_arg_0 | var_22_arg_1 [L97] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L98] SORT_1 var_26_arg_0 = var_22; [L99] SORT_1 var_26 = ~var_26_arg_0; [L100] SORT_1 var_27_arg_0 = var_25; [L101] SORT_1 var_27_arg_1 = var_26; [L102] EXPR var_27_arg_0 & var_27_arg_1 [L102] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L103] EXPR var_27 & mask_SORT_1 [L103] var_27 = var_27 & mask_SORT_1 [L104] SORT_1 bad_28_arg_0 = var_27; [L105] CALL __VERIFIER_assert(!(bad_28_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_28_arg_0)) [L107] SORT_1 var_45_arg_0 = state_43; [L108] SORT_4 var_45_arg_1 = input_5; [L109] SORT_4 var_45_arg_2 = state_9; [L110] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L111] SORT_4 next_46_arg_1 = var_45; [L112] SORT_1 var_47_arg_0 = state_43; [L113] SORT_4 var_47_arg_1 = input_5; [L114] SORT_4 var_47_arg_2 = state_17; [L115] SORT_4 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L116] SORT_4 next_48_arg_1 = var_47; [L117] SORT_1 var_49_arg_0 = state_43; [L118] SORT_1 var_49_arg_1 = var_42; [L119] SORT_1 var_49_arg_2 = var_25; [L120] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L121] EXPR var_49 & mask_SORT_1 [L121] var_49 = var_49 & mask_SORT_1 [L122] SORT_1 next_50_arg_1 = var_49; [L124] state_9 = next_46_arg_1 [L125] state_17 = next_48_arg_1 [L126] state_43 = next_50_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=129, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=129, next_48_arg_1=129, next_50_arg_1=0, state_17=129, state_43=0, state_9=129, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=129, var_45_arg_0=1, var_45_arg_1=129, var_45_arg_2=0, var_47=129, var_47_arg_0=1, var_47_arg_1=129, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_3 = __VERIFIER_nondet_uchar() [L66] input_5 = __VERIFIER_nondet_uchar() [L67] input_6 = __VERIFIER_nondet_uchar() [L68] input_7 = __VERIFIER_nondet_uchar() [L69] input_29 = __VERIFIER_nondet_uchar() [L70] input_31 = __VERIFIER_nondet_uchar() [L71] input_33 = __VERIFIER_nondet_uchar() [L72] input_35 = __VERIFIER_nondet_uchar() [L73] input_37 = __VERIFIER_nondet_uchar() [L74] input_39 = __VERIFIER_nondet_uchar() [L77] SORT_4 var_11_arg_0 = state_9; [L78] SORT_1 var_11 = var_11_arg_0 >> 7; [L79] SORT_1 var_13_arg_0 = var_11; [L80] EXPR var_13_arg_0 & mask_SORT_1 [L80] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L81] SORT_12 var_13 = var_13_arg_0; [L82] SORT_12 var_15_arg_0 = var_13; [L83] SORT_12 var_15_arg_1 = var_14; [L84] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L85] SORT_1 var_16_arg_0 = var_15; [L86] SORT_1 var_16 = ~var_16_arg_0; [L87] SORT_4 var_19_arg_0 = state_17; [L88] SORT_1 var_19 = var_19_arg_0 >> 7; [L89] SORT_1 var_20_arg_0 = var_19; [L90] EXPR var_20_arg_0 & mask_SORT_1 [L90] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L91] SORT_12 var_20 = var_20_arg_0; [L92] SORT_12 var_21_arg_0 = var_20; [L93] SORT_12 var_21_arg_1 = var_14; [L94] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L95] SORT_1 var_22_arg_0 = var_16; [L96] SORT_1 var_22_arg_1 = var_21; [L97] EXPR var_22_arg_0 | var_22_arg_1 [L97] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L98] SORT_1 var_26_arg_0 = var_22; [L99] SORT_1 var_26 = ~var_26_arg_0; [L100] SORT_1 var_27_arg_0 = var_25; [L101] SORT_1 var_27_arg_1 = var_26; [L102] EXPR var_27_arg_0 & var_27_arg_1 [L102] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L103] EXPR var_27 & mask_SORT_1 [L103] var_27 = var_27 & mask_SORT_1 [L104] SORT_1 bad_28_arg_0 = var_27; [L105] CALL __VERIFIER_assert(!(bad_28_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.69ms. Allocated memory is still 138.4MB. Free memory was 109.9MB in the beginning and 97.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.86ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 92.6MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.99ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.02ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 79.2MB in the end (delta: 11.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 7537.51ms. Allocated memory was 138.4MB in the beginning and 283.1MB in the end (delta: 144.7MB). Free memory was 79.2MB in the beginning and 106.1MB in the end (delta: -27.0MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 283.1MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:38:30,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:38:32,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:38:32,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:38:32,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:38:32,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:38:32,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:38:32,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:38:32,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:38:32,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:38:32,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:38:32,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:38:32,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:38:32,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:38:32,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:38:32,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:38:32,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:38:32,448 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:38:32,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:38:32,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:38:32,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:38:32,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:38:32,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:38:32,452 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:32,452 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:38:32,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:38:32,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:32,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:38:32,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:38:32,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:38:32,455 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:38:32,455 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:32,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:38:32,456 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:38:32,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:38:32,457 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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e [2023-12-03 00:38:32,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:38:32,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:38:32,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:38:32,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:38:32,794 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:38:32,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-12-03 00:38:35,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:38:35,942 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:38:35,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-12-03 00:38:35,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data/17fd4e116/efe71e3a3e0e47bfab7e5afa6bbb1b7f/FLAGd6f23ac7c [2023-12-03 00:38:35,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/data/17fd4e116/efe71e3a3e0e47bfab7e5afa6bbb1b7f [2023-12-03 00:38:35,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:38:35,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:38:35,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:35,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:38:35,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:38:35,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:35" (1/1) ... [2023-12-03 00:38:35,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bf4772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:35, skipping insertion in model container [2023-12-03 00:38:35,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:35" (1/1) ... [2023-12-03 00:38:36,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:38:36,161 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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-12-03 00:38:36,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:36,224 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:38:36,237 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_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-12-03 00:38:36,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:38:36,280 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:38:36,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36 WrapperNode [2023-12-03 00:38:36,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:38:36,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:36,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:38:36,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:38:36,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,330 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2023-12-03 00:38:36,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:38:36,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:38:36,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:38:36,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:38:36,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:38:36,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:38:36,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:38:36,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:38:36,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:38:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:38:36,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:38:36,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:38:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:38:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:38:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:38:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:38:36,538 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:38:36,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:38:36,732 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:38:36,794 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:38:36,794 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:38:36,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:36 BoogieIcfgContainer [2023-12-03 00:38:36,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:38:36,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:38:36,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:38:36,809 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:38:36,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:36" (1/1) ... [2023-12-03 00:38:36,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:38:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:38:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:38:36,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:38:36,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:36,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:36,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:36,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:36,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:38:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:37,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:37,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 00:38:37,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:37,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:38:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:38:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:38:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:38:37,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:37,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:37,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:37,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:37,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:38:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:37,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:37,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 00:38:37,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:38,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:38:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 00:38:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 00:38:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:38:38,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:38,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:38,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:38,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:38:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:38,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:38,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 00:38:38,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:39,333 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:38:39,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:38:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2023-12-03 00:38:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2023-12-03 00:38:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:38:40,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:40,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:40,912 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:40,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:38:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:41,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:41,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 00:38:41,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:41,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:38:41,436 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:38:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2023-12-03 00:38:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2023-12-03 00:38:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:38:41,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:41,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:41,670 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:41,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:38:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:41,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:41,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-03 00:38:41,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:42,391 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:38:42,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:38:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 25 states and 54 transitions. [2023-12-03 00:38:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 54 transitions. [2023-12-03 00:38:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:38:43,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:43,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:43,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:43,870 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:43,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:38:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:44,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:44,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-03 00:38:44,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:44,466 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:38:44,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:38:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2023-12-03 00:38:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2023-12-03 00:38:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:38:44,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:44,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:44,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:44,678 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:44,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:38:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:44,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:44,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 00:38:44,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:45,415 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:38:45,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:38:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 32 states and 70 transitions. [2023-12-03 00:38:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 70 transitions. [2023-12-03 00:38:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:38:46,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:46,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:46,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:46,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:38:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:46,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:47,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 00:38:47,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:47,306 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:38:47,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:38:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 36 states and 75 transitions. [2023-12-03 00:38:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 75 transitions. [2023-12-03 00:38:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:38:48,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:48,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:48,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:48,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:38:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:48,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:48,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-03 00:38:48,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:38:49,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:38:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 00:38:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 00:38:50,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:38:50,173 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2023-12-03 00:38:50,183 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:38:50,583 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2023-12-03 00:38:50,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated [2023-12-03 00:38:50,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated [2023-12-03 00:38:50,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:38:50 ImpRootNode [2023-12-03 00:38:50,593 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:38:50,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:38:50,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:38:50,594 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:38:50,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:36" (3/4) ... [2023-12-03 00:38:50,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:38:50,602 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 00:38:50,603 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 00:38:50,603 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 00:38:50,604 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:38:50,604 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:38:50,709 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:38:50,710 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:38:50,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:38:50,711 INFO L158 Benchmark]: Toolchain (without parser) took 14737.30ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 80.8MB in the beginning and 125.0MB in the end (delta: -44.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,711 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:38:50,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.77ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 67.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 65.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,713 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,713 INFO L158 Benchmark]: RCFGBuilder took 427.41ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 78.0MB in the end (delta: -13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,714 INFO L158 Benchmark]: CodeCheck took 13795.18ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 78.0MB in the beginning and 131.3MB in the end (delta: -53.3MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,714 INFO L158 Benchmark]: Witness Printer took 116.98ms. Allocated memory is still 182.5MB. Free memory was 131.3MB in the beginning and 125.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:38:50,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 244 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1262 IncrementalHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 9 mSDtfsCounter, 1262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1355 GetRequests, 1173 SyntacticMatches, 42 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8852 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 102 ConstructedInterpolants, 13 QuantifiedInterpolants, 1340 SizeOfPredicates, 479 NumberOfNonLiveVariables, 1735 ConjunctsInSsa, 509 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 5/155 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((((1 == mask_SORT_1) && (1 == state_43)) && (state_9 == 0)) && (1 == var_25)) && (var_42 == 0)) && (var_14 == 1)) || (((((1 == mask_SORT_1) && (1 == state_43)) && (1 == var_25)) && (var_42 == 0)) && (var_14 == 1))) || (((((1 == mask_SORT_1) && (1 == var_25)) && (0 == state_43)) && (var_42 == 0)) && (var_14 == 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.77ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 67.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 65.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.41ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 78.0MB in the end (delta: -13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13795.18ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 78.0MB in the beginning and 131.3MB in the end (delta: -53.3MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 116.98ms. Allocated memory is still 182.5MB. Free memory was 131.3MB in the beginning and 125.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 00:38:50,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee19eeb6-b232-46c7-ba1a-8358fd0b43f3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE