./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:49:37,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:49:37,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:49:37,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:49:37,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:49:37,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:49:37,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:49:37,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:49:37,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:49:37,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:49:37,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:49:37,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:49:37,880 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:49:37,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:49:37,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:49:37,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:49:37,881 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:49:37,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:49:37,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-25 02:49:38,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:49:38,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:49:38,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:49:38,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:49:38,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:49:38,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-25 02:49:41,234 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/2ade79add/b97c7e25d1194871982904dc33ea4aea/FLAG7948a21c2 [2024-11-25 02:49:41,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:49:41,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-25 02:49:41,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/2ade79add/b97c7e25d1194871982904dc33ea4aea/FLAG7948a21c2 [2024-11-25 02:49:41,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/2ade79add/b97c7e25d1194871982904dc33ea4aea [2024-11-25 02:49:41,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:49:41,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:49:41,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:49:41,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:49:41,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:49:41,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:49:41" (1/1) ... [2024-11-25 02:49:41,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b867ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:41, skipping insertion in model container [2024-11-25 02:49:41,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:49:41" (1/1) ... [2024-11-25 02:49:41,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:49:42,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-25 02:49:42,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:49:42,075 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:49:42,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-25 02:49:42,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:49:42,117 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:49:42,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42 WrapperNode [2024-11-25 02:49:42,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:49:42,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:49:42,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:49:42,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:49:42,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,157 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-25 02:49:42,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:49:42,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:49:42,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:49:42,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:49:42,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:49:42,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:49:42,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:49:42,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:49:42,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:49:42,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:49:42,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:49:42,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:49:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:49:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:49:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:49:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:49:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:49:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:49:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:49:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:49:42,347 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:49:42,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:49:42,544 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 02:49:42,544 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:49:42,572 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:49:42,573 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 02:49:42,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:42 BoogieIcfgContainer [2024-11-25 02:49:42,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:49:42,574 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:49:42,574 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:49:42,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:49:42,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:49:42" (1/1) ... [2024-11-25 02:49:42,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:49:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-25 02:49:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-25 02:49:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:49:42,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:42,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:49:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 02:49:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 02:49:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:49:42,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:42,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:49:43,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-11-25 02:49:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-25 02:49:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:49:43,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:43,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:49:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:43,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:49:43,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:49:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-25 02:49:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-25 02:49:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:49:43,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:43,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:49:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:49:54,001 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:49:54,006 INFO L158 Benchmark]: Toolchain (without parser) took 12170.07ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 63.9MB in the end (delta: 29.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-25 02:49:54,007 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:49:54,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.13ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:49:54,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:49:54,008 INFO L158 Benchmark]: Boogie Preprocessor took 35.70ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 721.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:49:54,008 INFO L158 Benchmark]: RCFGBuilder took 377.56ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.3MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:49:54,009 INFO L158 Benchmark]: CodeCheck took 11430.94ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 63.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-25 02:49:54,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.13ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.70ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 721.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 377.56ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.3MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11430.94ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 63.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:49:54,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:49:56,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:49:56,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:49:56,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:49:56,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:49:56,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:49:56,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:49:56,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:49:56,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:49:56,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:49:56,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:49:56,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:49:56,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:56,974 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:49:56,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:49:56,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:49:56,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2024-11-25 02:49:57,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:49:57,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:49:57,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:49:57,311 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:49:57,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:49:57,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-25 02:50:00,480 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/b2b3d6b7e/272edd8d9cef4282b8181a3d9c66daa0/FLAG4fb78c3ff [2024-11-25 02:50:00,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:50:00,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2024-11-25 02:50:00,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/b2b3d6b7e/272edd8d9cef4282b8181a3d9c66daa0/FLAG4fb78c3ff [2024-11-25 02:50:00,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/data/b2b3d6b7e/272edd8d9cef4282b8181a3d9c66daa0 [2024-11-25 02:50:00,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:50:00,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:50:00,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:00,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:50:00,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:50:00,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:00,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a8e5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00, skipping insertion in model container [2024-11-25 02:50:00,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:00,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:50:00,911 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-25 02:50:00,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:00,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:50:00,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c[552,565] [2024-11-25 02:50:00,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:00,977 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:50:00,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00 WrapperNode [2024-11-25 02:50:00,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:00,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:00,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:50:00,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:50:00,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:00,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,012 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-25 02:50:01,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:01,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:50:01,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:50:01,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:50:01,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:50:01,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:50:01,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:50:01,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:50:01,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:00" (1/1) ... [2024-11-25 02:50:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:01,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:50:01,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:50:01,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:50:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:50:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:50:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:50:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:50:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:50:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:50:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:50:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:50:01,218 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:50:01,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:50:01,481 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 02:50:01,481 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:50:01,546 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:50:01,546 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 02:50:01,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:01 BoogieIcfgContainer [2024-11-25 02:50:01,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:50:01,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:50:01,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:50:01,560 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:50:01,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:01" (1/1) ... [2024-11-25 02:50:01,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:50:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-25 02:50:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-25 02:50:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:50:01,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:01,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:01,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:01,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:01,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:50:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:01,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:01,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:50:01,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:50:01,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:50:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:01,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 02:50:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 02:50:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:50:01,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:01,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:01,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:01,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:01,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:50:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:02,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:02,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:50:02,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:50:02,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:50:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-25 02:50:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-25 02:50:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:50:02,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:02,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:02,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:02,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:50:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:02,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:50:12,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:50:12,847 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:50:12,851 INFO L158 Benchmark]: Toolchain (without parser) took 12107.52ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 41.0MB in the end (delta: 19.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-25 02:50:12,851 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:12,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.44ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 49.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:12,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.52ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:12,856 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.8MB in the end (delta: 804.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:50:12,856 INFO L158 Benchmark]: RCFGBuilder took 490.83ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 32.5MB in the end (delta: 14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:50:12,857 INFO L158 Benchmark]: CodeCheck took 11302.17ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 41.0MB in the end (delta: -8.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-25 02:50:12,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.44ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 49.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.52ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.8MB in the end (delta: 804.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 490.83ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 32.5MB in the end (delta: 14.0MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 11302.17ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 41.0MB in the end (delta: -8.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:50:12,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b22c898-104e-4bde-b682-66d85e435d3f/bin/ukojak-verify-ENZ3QT5qd3/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