./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL --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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:50,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:50,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:04:50,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:50,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:50,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:50,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:50,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:50,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:50,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:50,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:50,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:50,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:50,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:50,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:50,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:50,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:50,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:50,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:50,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:50,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:50,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:50,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:50,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:50,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:50,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:50,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:50,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:50,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:50,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:50,949 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:50,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:50,951 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:50,951 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2023-11-19 04:04:51,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:51,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:51,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:51,295 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:51,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:51,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-19 04:04:54,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:54,726 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:54,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-19 04:04:54,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data/c6ef71219/e4cb5b16ff72430aab0abdd33314738c/FLAG9e2f37ef4 [2023-11-19 04:04:54,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data/c6ef71219/e4cb5b16ff72430aab0abdd33314738c [2023-11-19 04:04:54,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:54,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:54,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:54,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:54,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:54,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5148264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54, skipping insertion in model container [2023-11-19 04:04:54,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:54,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:54,928 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2023-11-19 04:04:54,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:54,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:54,970 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2023-11-19 04:04:54,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:54,993 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:54,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54 WrapperNode [2023-11-19 04:04:54,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:54,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:54,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:54,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:55,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,032 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-19 04:04:55,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:55,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:55,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:55,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:55,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:55,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:55,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:55,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:55,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:54" (1/1) ... [2023-11-19 04:04:55,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:55,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:55,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:55,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:04:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:04:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:04:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:04:55,194 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:55,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:55,391 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:55,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:55,419 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:04:55,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:55 BoogieIcfgContainer [2023-11-19 04:04:55,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:55,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:55,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:55,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:55,433 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:55" (1/1) ... [2023-11-19 04:04:55,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 04:04:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 04:04:55,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:04:55,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:55,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:55,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:04:55,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:04:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:04:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:04:55,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:55,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:04:55,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2023-11-19 04:04:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2023-11-19 04:04:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:04:56,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:56,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:04:56,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2023-11-19 04:04:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-11-19 04:04:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:04:56,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:05:07,025 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) [2023-11-19 04:05:07,028 INFO L158 Benchmark]: Toolchain (without parser) took 12274.83ms. Allocated memory is still 207.6MB. Free memory was 161.0MB in the beginning and 162.2MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:07,028 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:07,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.23ms. Allocated memory is still 207.6MB. Free memory was 160.5MB in the beginning and 149.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:05:07,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.33ms. Allocated memory is still 207.6MB. Free memory was 149.5MB in the beginning and 147.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:07,030 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 207.6MB. Free memory was 147.9MB in the beginning and 146.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:07,031 INFO L158 Benchmark]: RCFGBuilder took 364.90ms. Allocated memory is still 207.6MB. Free memory was 146.4MB in the beginning and 132.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:05:07,031 INFO L158 Benchmark]: CodeCheck took 11601.97ms. Allocated memory is still 207.6MB. Free memory was 132.7MB in the beginning and 162.2MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:07,035 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 0.35ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.23ms. Allocated memory is still 207.6MB. Free memory was 160.5MB in the beginning and 149.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.33ms. Allocated memory is still 207.6MB. Free memory was 149.5MB in the beginning and 147.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 207.6MB. Free memory was 147.9MB in the beginning and 146.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.90ms. Allocated memory is still 207.6MB. Free memory was 146.4MB in the beginning and 132.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11601.97ms. Allocated memory is still 207.6MB. Free memory was 132.7MB in the beginning and 162.2MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:05:07,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL --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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:09,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:09,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:05:09,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:09,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:09,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:09,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:09,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:09,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:09,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:09,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:09,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:09,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:09,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:09,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:09,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:09,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:05:09,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:05:09,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:05:09,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:09,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:09,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:09,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:09,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:09,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:09,925 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:05:09,925 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:05:09,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:09,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:09,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:09,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:09,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:09,928 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:05:09,929 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:05:09,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:09,929 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:05:09,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:05:09,930 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2023-11-19 04:05:10,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:10,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:10,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:10,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:10,352 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:10,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-19 04:05:13,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:13,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:13,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-19 04:05:13,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data/4d8e9ffea/20031331f64742269a0d83930dd93884/FLAG84cb70390 [2023-11-19 04:05:13,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/data/4d8e9ffea/20031331f64742269a0d83930dd93884 [2023-11-19 04:05:13,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:13,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:13,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:13,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:13,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:13,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:13" (1/1) ... [2023-11-19 04:05:13,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7589a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:13, skipping insertion in model container [2023-11-19 04:05:13,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:13" (1/1) ... [2023-11-19 04:05:13,915 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:14,064 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2023-11-19 04:05:14,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:14,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:14,119 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_e75d440b-8d3c-446b-90a9-ec16040cf5a8/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2023-11-19 04:05:14,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:14,154 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:14,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14 WrapperNode [2023-11-19 04:05:14,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:14,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:14,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:14,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:14,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,205 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-19 04:05:14,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:14,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:14,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:14,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:14,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:14,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:14,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:14,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:14,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:14,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:14,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:05:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:05:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:05:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:05:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:05:14,485 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:14,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:14,823 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:14,894 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:14,894 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:05:14,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:14 BoogieIcfgContainer [2023-11-19 04:05:14,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:14,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:14,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:14,914 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:14,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:14" (1/1) ... [2023-11-19 04:05:14,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 04:05:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 04:05:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:05:15,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:15,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:05:15,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:05:15,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:05:15,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:05:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:15,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:05:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:15,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:05:15,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:05:15,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:05:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:05:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:05:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:05:15,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:15,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:05:15,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:05:15,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:05:15,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:05:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:15,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:05:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:05:25,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:05:25,675 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) [2023-11-19 04:05:25,678 INFO L158 Benchmark]: Toolchain (without parser) took 11794.50ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 54.1MB in the beginning and 80.0MB in the end (delta: -25.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-19 04:05:25,679 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:25,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.61ms. Allocated memory is still 77.6MB. Free memory was 53.9MB in the beginning and 42.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:05:25,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.44ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:25,682 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 77.6MB. Free memory was 41.0MB in the beginning and 39.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:25,683 INFO L158 Benchmark]: RCFGBuilder took 636.33ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 39.5MB in the beginning and 70.4MB in the end (delta: -30.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:05:25,684 INFO L158 Benchmark]: CodeCheck took 10773.98ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 80.0MB in the end (delta: -9.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-19 04:05:25,688 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 0.32ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.61ms. Allocated memory is still 77.6MB. Free memory was 53.9MB in the beginning and 42.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.44ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 41.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 77.6MB. Free memory was 41.0MB in the beginning and 39.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.33ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 39.5MB in the beginning and 70.4MB in the end (delta: -30.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 10773.98ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 80.0MB in the end (delta: -9.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:05:25,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75d440b-8d3c-446b-90a9-ec16040cf5a8/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown