./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi --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 32bit --witnessprinter.graph.data.programhash 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:16,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:16,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:16,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:16,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:16,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:16,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:16,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:16,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:16,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:16,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:16,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:16,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:16,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:16,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:16,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:16,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:16,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:16,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:16,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:16,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:16,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:16,300 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:16,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:16,301 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:16,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:16,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:16,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:16,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:16,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:16,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:16,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:16,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:16,306 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c [2023-11-24 22:59:16,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:16,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:16,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:16,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:16,649 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:16,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2023-11-24 22:59:20,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:20,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:20,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2023-11-24 22:59:20,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data/06a1c88da/6c6fa39e09f54c51b7f757cdb4a15aa4/FLAG536a3018d [2023-11-24 22:59:20,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data/06a1c88da/6c6fa39e09f54c51b7f757cdb4a15aa4 [2023-11-24 22:59:20,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:20,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:20,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:20,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:20,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:20,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:20" (1/1) ... [2023-11-24 22:59:20,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7481e91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:20, skipping insertion in model container [2023-11-24 22:59:20,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:20" (1/1) ... [2023-11-24 22:59:20,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:21,016 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2023-11-24 22:59:21,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:21,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:21,061 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2023-11-24 22:59:21,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:21,087 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:21,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21 WrapperNode [2023-11-24 22:59:21,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:21,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:21,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:21,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:21,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,131 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-24 22:59:21,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:21,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:21,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:21,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:21,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:21,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:21,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:21,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:21,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:21,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:21,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:59:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:59:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:59:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:59:21,330 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:21,335 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:21,533 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:21,589 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:21,589 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:59:21,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21 BoogieIcfgContainer [2023-11-24 22:59:21,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:21,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:21,593 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:21,606 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:21,606 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:21" (1/1) ... [2023-11-24 22:59:21,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-24 22:59:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-24 22:59:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:59:21,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:21,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:21,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:59:21,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:59:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-24 22:59:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-24 22:59:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:21,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:21,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:22,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-24 22:59:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-24 22:59:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:22,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:22,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:22,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:59:22,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:59:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:23,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:23,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:23,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:23,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:59:23,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:23,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:59:23,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:23,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:23,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:24,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:24,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:24,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:24,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:24,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:24,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:24,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:24,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:24,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:24,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:25,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:25,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:25,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:25,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:25,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:25,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:25,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:25,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:25,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 46 transitions. [2023-11-24 22:59:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-24 22:59:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:25,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:25,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:25,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:59:25,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:59:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 45 transitions. [2023-11-24 22:59:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-24 22:59:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:59:26,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:26,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:59:26,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:59:36,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 22:59:46,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 22:59:57,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 22:59:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 55 transitions. [2023-11-24 22:59:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-24 22:59:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:59:57,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:57,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 23:00:08,031 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) [2023-11-24 23:00:08,035 INFO L158 Benchmark]: Toolchain (without parser) took 47282.29ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 134.6MB in the beginning and 166.0MB in the end (delta: -31.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:00:08,036 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:08,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.72ms. Allocated memory is still 165.7MB. Free memory was 134.6MB in the beginning and 123.8MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:08,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.77ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 122.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:08,038 INFO L158 Benchmark]: Boogie Preprocessor took 30.61ms. Allocated memory is still 165.7MB. Free memory was 122.1MB in the beginning and 121.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:08,038 INFO L158 Benchmark]: RCFGBuilder took 427.44ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 108.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:08,039 INFO L158 Benchmark]: CodeCheck took 46441.04ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 107.8MB in the beginning and 166.0MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:08,044 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 0.26ms. Allocated memory is still 125.8MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.72ms. Allocated memory is still 165.7MB. Free memory was 134.6MB in the beginning and 123.8MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.77ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 122.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.61ms. Allocated memory is still 165.7MB. Free memory was 122.1MB in the beginning and 121.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.44ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 108.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 46441.04ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 107.8MB in the beginning and 166.0MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:00:08,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi --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 32bit --witnessprinter.graph.data.programhash 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:10,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:11,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:00:11,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:11,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:11,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:11,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:11,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:11,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:11,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:11,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:11,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:11,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:11,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:11,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:11,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:11,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:11,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:11,155 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:11,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:11,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:11,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:11,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:11,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:11,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:11,161 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:11,161 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:11,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:11,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:11,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:11,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:11,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:11,167 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:11,167 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:11,168 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:11,168 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:11,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:11,169 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 260fe965b90ef3e416f91a3db2bee0bb860d5ab225efa939b96f89bde803836c [2023-11-24 23:00:11,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:11,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:11,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:11,708 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:11,709 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:11,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2023-11-24 23:00:15,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:15,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:15,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2023-11-24 23:00:15,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data/b34c158d4/a99d9ed6ca564e1a81e73926e8eabe6e/FLAG5c7becb5c [2023-11-24 23:00:15,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/data/b34c158d4/a99d9ed6ca564e1a81e73926e8eabe6e [2023-11-24 23:00:15,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:15,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:15,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:15,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:15,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:15,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:15,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157ff82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15, skipping insertion in model container [2023-11-24 23:00:15,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:15,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:15,879 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2023-11-24 23:00:15,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:15,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:15,947 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_c90b7f56-b7c1-4e7b-b023-bc38beed741e/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2023-11-24 23:00:15,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:15,993 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:15,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15 WrapperNode [2023-11-24 23:00:15,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:15,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:15,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:15,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:16,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,043 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-24 23:00:16,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:16,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:16,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:16,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:16,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:16,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:16,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:16,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:16,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:16,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:16,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:16,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:16,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:00:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:00:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:00:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:00:16,283 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:16,286 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:16,530 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:16,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:16,583 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:00:16,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:16 BoogieIcfgContainer [2023-11-24 23:00:16,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:16,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:16,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:16,597 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:16,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:16" (1/1) ... [2023-11-24 23:00:16,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-24 23:00:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-24 23:00:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:16,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:16,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:16,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:00:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:16,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:00:17,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:00:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-24 23:00:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-24 23:00:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:00:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:17,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:17,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:17,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:17,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c90b7f56-b7c1-4e7b-b023-bc38beed741e/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:00:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:17,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported