./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3 --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 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:21:13,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:21:13,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:21:13,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:21:13,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:21:13,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:21:13,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:21:13,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:21:13,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:21:13,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:21:13,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:21:13,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:21:13,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:21:13,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:21:13,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:21:13,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:21:13,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:21:13,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:21:13,944 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:21:13,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:21:13,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:21:13,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:21:13,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:21:13,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:21:13,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:21:13,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:21:13,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:21:13,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:21:13,945 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:21:13,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:21:13,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3 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 -> 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 [2024-11-25 05:21:14,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:21:14,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:21:14,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:21:14,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:21:14,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:21:14,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c [2024-11-25 05:21:17,148 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/fbe88bbfc/fe1edc155dda4f108d8b2adfe5a37eaa/FLAG4249daf1a [2024-11-25 05:21:17,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:21:17,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c [2024-11-25 05:21:17,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/fbe88bbfc/fe1edc155dda4f108d8b2adfe5a37eaa/FLAG4249daf1a [2024-11-25 05:21:17,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/fbe88bbfc/fe1edc155dda4f108d8b2adfe5a37eaa [2024-11-25 05:21:17,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:21:17,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:21:17,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:21:17,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:21:17,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:21:17,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:17" (1/1) ... [2024-11-25 05:21:17,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a4dccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:17, skipping insertion in model container [2024-11-25 05:21:17,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:17" (1/1) ... [2024-11-25 05:21:17,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:21:17,945 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 05:21:18,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:21:18,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:21:18,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 05:21:18,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:21:18,828 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:21:18,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18 WrapperNode [2024-11-25 05:21:18,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:21:18,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:21:18,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:21:18,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:21:18,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:18,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:19,930 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7334 [2024-11-25 05:21:19,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:21:19,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:21:19,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:21:19,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:21:19,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:19,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:21:20,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:21:20,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:21:20,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:21:20,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:18" (1/1) ... [2024-11-25 05:21:20,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:21:20,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:21:20,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:21:20,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:21:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:21:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:21:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:21:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:21:21,552 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:21:21,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:21:32,362 INFO L? ?]: Removed 3993 outVars from TransFormulas that were not future-live. [2024-11-25 05:21:32,363 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:21:45,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:21:45,421 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:21:45,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:45 BoogieIcfgContainer [2024-11-25 05:21:45,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:21:45,423 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:21:45,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:21:45,434 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:21:45,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:45" (1/1) ... [2024-11-25 05:21:45,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:21:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:45,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:21:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:21:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:21:45,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:22:06,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:22:17,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:22:18,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:22:20,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:22:22,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:22:32,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:22:32,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:22:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:22:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:22:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:22:32,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:22:32,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:24:19,961 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:485) 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) [2024-11-25 05:24:19,966 INFO L158 Benchmark]: Toolchain (without parser) took 182333.62ms. Allocated memory was 117.4MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 89.0MB in the beginning and 1.0GB in the end (delta: -935.8MB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-25 05:24:19,967 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:19,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1195.33ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 88.8MB in the beginning and 102.7MB in the end (delta: -13.9MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2024-11-25 05:24:19,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 1100.46ms. Allocated memory was 176.2MB in the beginning and 503.3MB in the end (delta: 327.2MB). Free memory was 102.6MB in the beginning and 339.6MB in the end (delta: -237.0MB). Peak memory consumption was 168.1MB. Max. memory is 16.1GB. [2024-11-25 05:24:19,969 INFO L158 Benchmark]: Boogie Preprocessor took 988.86ms. Allocated memory is still 503.3MB. Free memory was 339.6MB in the beginning and 307.6MB in the end (delta: 32.0MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-11-25 05:24:19,969 INFO L158 Benchmark]: RCFGBuilder took 24500.24ms. Allocated memory was 503.3MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 307.6MB in the beginning and 1.1GB in the end (delta: -830.0MB). Peak memory consumption was 779.3MB. Max. memory is 16.1GB. [2024-11-25 05:24:19,970 INFO L158 Benchmark]: CodeCheck took 154542.66ms. Allocated memory was 2.1GB in the beginning and 3.5GB in the end (delta: 1.4GB). Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 112.7MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-25 05:24:19,973 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1195.33ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 88.8MB in the beginning and 102.7MB in the end (delta: -13.9MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1100.46ms. Allocated memory was 176.2MB in the beginning and 503.3MB in the end (delta: 327.2MB). Free memory was 102.6MB in the beginning and 339.6MB in the end (delta: -237.0MB). Peak memory consumption was 168.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 988.86ms. Allocated memory is still 503.3MB. Free memory was 339.6MB in the beginning and 307.6MB in the end (delta: 32.0MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * RCFGBuilder took 24500.24ms. Allocated memory was 503.3MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 307.6MB in the beginning and 1.1GB in the end (delta: -830.0MB). Peak memory consumption was 779.3MB. Max. memory is 16.1GB. * CodeCheck took 154542.66ms. Allocated memory was 2.1GB in the beginning and 3.5GB in the end (delta: 1.4GB). Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 112.7MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:24:20,188 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:24:20,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3 --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 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:24:22,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:24:23,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 05:24:23,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:24:23,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:24:23,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:24:23,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:24:23,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:24:23,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:24:23,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:24:23,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:24:23,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:24:23,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:24:23,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:24:23,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:24:23,056 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:24:23,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:24:23,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:24:23,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:24:23,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:24:23,057 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:24:23,057 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:24:23,057 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:24:23,057 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:23,058 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:24:23,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:24:23,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:24:23,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:24:23,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:24:23,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:24:23,059 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:24:23,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:23,059 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:24:23,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3 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 -> 652b6b4412ff0dbdf7c97d740de6d6b1eeeaf8d5dac988c97604518d95a02535 [2024-11-25 05:24:23,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:24:23,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:24:23,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:24:23,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:24:23,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:24:23,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c [2024-11-25 05:24:26,527 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/0f2e9504e/f2963fd23d1243bca243e7ba5950a304/FLAG049b0d440 [2024-11-25 05:24:27,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:24:27,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c [2024-11-25 05:24:27,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/0f2e9504e/f2963fd23d1243bca243e7ba5950a304/FLAG049b0d440 [2024-11-25 05:24:27,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/data/0f2e9504e/f2963fd23d1243bca243e7ba5950a304 [2024-11-25 05:24:27,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:24:27,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:24:27,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:24:27,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:24:27,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:24:27,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:27" (1/1) ... [2024-11-25 05:24:27,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b80ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:27, skipping insertion in model container [2024-11-25 05:24:27,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:27" (1/1) ... [2024-11-25 05:24:27,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:24:27,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 05:24:27,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:24:27,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:24:27,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-back-serstep.c[1176,1189] [2024-11-25 05:24:28,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:24:28,204 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:24:28,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28 WrapperNode [2024-11-25 05:24:28,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:24:28,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:24:28,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:24:28,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:24:28,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,408 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2302 [2024-11-25 05:24:28,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:24:28,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:24:28,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:24:28,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:24:28,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,483 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:24:28,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:24:28,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:24:28,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:24:28,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:28" (1/1) ... [2024-11-25 05:24:28,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:24:28,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:24:28,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:24:28,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:24:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:24:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:24:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:24:28,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:24:29,155 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:24:29,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:24:37,326 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2024-11-25 05:24:37,326 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:24:37,425 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:24:37,425 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:24:37,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:37 BoogieIcfgContainer [2024-11-25 05:24:37,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:24:37,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:24:37,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:24:37,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:24:37,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:37" (1/1) ... [2024-11-25 05:24:37,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:24:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:24:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:24:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:24:37,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:37,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:37,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:37,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:24:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:38,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:38,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:24:38,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:24:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:24:38,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:24:40,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:40,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:24:40,927 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:24:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:24:40,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:40,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:40,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:40,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:40,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a3cac1-eca4-4ea9-a701-30576df73dc0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:24:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:43,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:24:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:44,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-25 05:24:44,241 INFO L279 TraceCheckSpWp]: Computing forward predicates...