./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.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_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/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_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/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_7331e673-0f4a-4af8-92e0-98ac3d227326/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:43:56,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:43:56,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:43:56,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:43:56,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:43:56,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:43:56,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:43:56,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:43:56,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:43:56,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:43:56,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:43:56,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:43:56,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:43:56,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:43:56,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:43:56,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:43:56,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:43:56,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:43:56,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:43:56,887 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:43:56,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:43:56,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:43:56,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:43:56,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:43:56,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:43:56,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:43:56,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:43:56,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:43:56,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:43:56,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:43:56,892 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_7331e673-0f4a-4af8-92e0-98ac3d227326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2023-12-03 01:43:57,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:43:57,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:43:57,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:43:57,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:43:57,146 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:43:57,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2023-12-03 01:43:59,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:00,200 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:00,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2023-12-03 01:44:00,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data/a3f6a9aea/903f98ea7ce947fc8f90df0bf3514d47/FLAGbeeaf7558 [2023-12-03 01:44:00,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data/a3f6a9aea/903f98ea7ce947fc8f90df0bf3514d47 [2023-12-03 01:44:00,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:00,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:00,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:00,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:00,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:00,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:00,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207bb896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00, skipping insertion in model container [2023-12-03 01:44:00,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:00,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:00,448 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_7331e673-0f4a-4af8-92e0-98ac3d227326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2023-12-03 01:44:00,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:00,732 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:00,742 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_7331e673-0f4a-4af8-92e0-98ac3d227326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2023-12-03 01:44:00,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:00,939 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:00,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00 WrapperNode [2023-12-03 01:44:00,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:00,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:00,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:00,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:00,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,440 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4980 [2023-12-03 01:44:01,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:01,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:01,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:01,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:01,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:01,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:01,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:01,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:01,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:00" (1/1) ... [2023-12-03 01:44:01,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:01,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:01,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:44:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:02,270 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:02,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:05,581 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:11,367 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:11,368 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:44:11,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:11 BoogieIcfgContainer [2023-12-03 01:44:11,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:11,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:11,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:11,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:11,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:11" (1/1) ... [2023-12-03 01:44:11,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:44:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:44:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:44:11,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:11,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:13,593 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 01:44:23,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:33,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:39,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 01:44:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 01:44:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:44:39,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:39,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:46:21,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:48:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:48:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:48:27,996 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:48:28,000 INFO L158 Benchmark]: Toolchain (without parser) took 267766.59ms. Allocated memory was 157.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 120.4MB in the beginning and 854.6MB in the end (delta: -734.2MB). Peak memory consumption was 896.8MB. Max. memory is 16.1GB. [2023-12-03 01:48:28,000 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:48:28,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.46ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 104.2MB in the end (delta: 15.6MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-12-03 01:48:28,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 486.68ms. Allocated memory was 157.3MB in the beginning and 268.4MB in the end (delta: 111.1MB). Free memory was 104.2MB in the beginning and 141.1MB in the end (delta: -36.9MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-12-03 01:48:28,002 INFO L158 Benchmark]: Boogie Preprocessor took 461.16ms. Allocated memory is still 268.4MB. Free memory was 141.1MB in the beginning and 138.7MB in the end (delta: 2.3MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-12-03 01:48:28,004 INFO L158 Benchmark]: RCFGBuilder took 9467.40ms. Allocated memory was 268.4MB in the beginning and 876.6MB in the end (delta: 608.2MB). Free memory was 138.7MB in the beginning and 409.2MB in the end (delta: -270.4MB). Peak memory consumption was 604.1MB. Max. memory is 16.1GB. [2023-12-03 01:48:28,005 INFO L158 Benchmark]: CodeCheck took 256628.09ms. Allocated memory was 876.6MB in the beginning and 1.8GB in the end (delta: 910.2MB). Free memory was 408.1MB in the beginning and 854.6MB in the end (delta: -446.5MB). Peak memory consumption was 463.4MB. Max. memory is 16.1GB. [2023-12-03 01:48:28,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.46ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 104.2MB in the end (delta: 15.6MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 486.68ms. Allocated memory was 157.3MB in the beginning and 268.4MB in the end (delta: 111.1MB). Free memory was 104.2MB in the beginning and 141.1MB in the end (delta: -36.9MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 461.16ms. Allocated memory is still 268.4MB. Free memory was 141.1MB in the beginning and 138.7MB in the end (delta: 2.3MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9467.40ms. Allocated memory was 268.4MB in the beginning and 876.6MB in the end (delta: 608.2MB). Free memory was 138.7MB in the beginning and 409.2MB in the end (delta: -270.4MB). Peak memory consumption was 604.1MB. Max. memory is 16.1GB. * CodeCheck took 256628.09ms. Allocated memory was 876.6MB in the beginning and 1.8GB in the end (delta: 910.2MB). Free memory was 408.1MB in the beginning and 854.6MB in the end (delta: -446.5MB). Peak memory consumption was 463.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:48:28,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/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_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/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_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/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_7331e673-0f4a-4af8-92e0-98ac3d227326/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:48:30,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:48:30,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:48:30,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:48:30,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:48:30,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:48:30,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:48:30,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:48:30,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:48:30,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:48:30,280 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:48:30,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:48:30,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:48:30,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:48:30,282 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:48:30,282 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:48:30,283 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:48:30,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:48:30,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:48:30,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:48:30,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:48:30,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:48:30,286 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:30,286 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:48:30,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:48:30,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:48:30,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:48:30,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:48:30,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:48:30,289 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:48:30,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:30,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:48:30,290 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:48:30,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:48:30,290 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_7331e673-0f4a-4af8-92e0-98ac3d227326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2023-12-03 01:48:30,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:48:30,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:48:30,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:48:30,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:48:30,630 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:48:30,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2023-12-03 01:48:33,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:48:33,681 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:48:33,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2023-12-03 01:48:33,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data/35129c277/05a5020a854e428ea475e326d6d8acec/FLAG3385dda39 [2023-12-03 01:48:33,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/data/35129c277/05a5020a854e428ea475e326d6d8acec [2023-12-03 01:48:33,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:48:33,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:48:33,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:48:33,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:48:33,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:48:33,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:48:33" (1/1) ... [2023-12-03 01:48:33,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f957062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:33, skipping insertion in model container [2023-12-03 01:48:33,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:48:33" (1/1) ... [2023-12-03 01:48:33,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:48:34,000 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_7331e673-0f4a-4af8-92e0-98ac3d227326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2023-12-03 01:48:34,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:48:34,237 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:48:34,250 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_7331e673-0f4a-4af8-92e0-98ac3d227326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2023-12-03 01:48:34,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:48:34,345 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:48:34,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34 WrapperNode [2023-12-03 01:48:34,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:48:34,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:48:34,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:48:34,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:48:34,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,491 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1423 [2023-12-03 01:48:34,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:48:34,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:48:34,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:48:34,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:48:34,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:48:34,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:48:34,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:48:34,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:48:34,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:34" (1/1) ... [2023-12-03 01:48:34,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:48:34,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:48:34,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:48:34,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:48:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:48:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:48:34,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:48:34,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:48:34,913 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:48:34,916 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:48:36,913 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:48:37,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:48:37,016 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:48:37,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:48:37 BoogieIcfgContainer [2023-12-03 01:48:37,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:48:37,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:48:37,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:48:37,029 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:48:37,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:48:37" (1/1) ... [2023-12-03 01:48:37,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:48:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:48:37,092 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:48:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:48:37,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:37,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:37,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:37,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:37,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:48:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:37,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:37,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:48:37,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:37,860 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 01:48:37,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:48:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:48:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:48:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:48:38,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:38,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:38,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:38,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:38,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:48:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:39,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:39,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-03 01:48:39,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:40,682 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 01:48:40,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:48:43,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 01:48:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 01:48:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:48:43,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:43,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:43,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:43,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:43,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7331e673-0f4a-4af8-92e0-98ac3d227326/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:48:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:45,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:45,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 410 conjunts are in the unsatisfiable core [2023-12-03 01:48:45,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:10,605 WARN L293 SmtUtils]: Spent 27.45s on a formula simplification. DAG size of input: 14296 DAG size of output: 27347 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 01:57:29,294 WARN L293 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 14406 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)