./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps5-ll.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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b --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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:38:02,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:38:02,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:38:02,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:38:02,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:38:02,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:38:02,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:38:02,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:38:02,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:38:02,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:38:02,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:38:02,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:38:02,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:38:02,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:02,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:38:02,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:38:02,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:38:02,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:38:02,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:38:02,904 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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b 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 -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-12-05 23:38:03,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:38:03,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:38:03,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:38:03,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:38:03,159 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:38:03,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-12-05 23:38:05,806 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/9cc1370b7/7baa7a9205f041a99bbfe9c22282a9e2/FLAGe2b4119c5 [2024-12-05 23:38:05,982 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:38:05,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-12-05 23:38:05,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/9cc1370b7/7baa7a9205f041a99bbfe9c22282a9e2/FLAGe2b4119c5 [2024-12-05 23:38:06,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/9cc1370b7/7baa7a9205f041a99bbfe9c22282a9e2 [2024-12-05 23:38:06,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:38:06,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:38:06,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:06,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:38:06,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:38:06,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b1417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06, skipping insertion in model container [2024-12-05 23:38:06,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:38:06,127 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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-12-05 23:38:06,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:06,152 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:38:06,162 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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-12-05 23:38:06,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:06,182 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:38:06,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06 WrapperNode [2024-12-05 23:38:06,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:06,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:06,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:38:06,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:38:06,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,212 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-12-05 23:38:06,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:06,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:38:06,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:38:06,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:38:06,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:38:06,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:38:06,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:38:06,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:38:06,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:06,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:38:06,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:38:06,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:38:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:38:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:38:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:38:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:38:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:38:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:38:06,333 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:38:06,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:38:06,423 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:38:06,423 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:38:06,455 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:38:06,456 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:38:06,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:06 BoogieIcfgContainer [2024-12-05 23:38:06,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:38:06,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:38:06,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:38:06,466 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:38:06,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:06" (1/1) ... [2024-12-05 23:38:06,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:38:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-05 23:38:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-05 23:38:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:38:06,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:06,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:06,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:38:06,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:38:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 23:38:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 23:38:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:38:06,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:38:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:07,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-05 23:38:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-05 23:38:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:38:07,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:07,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:07,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:38:07,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:38:10,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:38:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-12-05 23:38:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-12-05 23:38:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:38:10,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:10,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:10,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:38:10,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:38:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 23:38:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 23:38:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:38:10,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:10,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:10,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 23:38:10,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:11,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:38:14,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:38:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-12-05 23:38:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-12-05 23:38:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:38:14,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:14,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:14,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:38:14,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:38:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2024-12-05 23:38:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2024-12-05 23:38:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:38:15,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:15,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:15,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:38:15,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:38:18,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:38:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-05 23:38:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-05 23:38:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:38:18,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:18,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:18,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:38:18,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:38:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2024-12-05 23:38:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2024-12-05 23:38:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:38:19,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:19,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:20,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:38:20,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:38:23,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:38:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2024-12-05 23:38:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2024-12-05 23:38:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:38:24,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:24,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:38:24,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:38:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-12-05 23:38:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-05 23:38:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:38:24,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:27,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 23:38:27,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 30 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 23:38:30,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:38:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-12-05 23:38:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-12-05 23:38:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:38:30,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:30,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:38:30,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 23:38:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2024-12-05 23:38:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2024-12-05 23:38:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:38:31,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:32,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 23:38:32,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 28 proven. 44 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 23:38:35,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:38:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2024-12-05 23:38:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2024-12-05 23:38:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:38:35,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:35,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 23:38:35,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 23:38:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2024-12-05 23:38:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2024-12-05 23:38:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:38:37,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:37,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:47,244 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:38:47,247 INFO L158 Benchmark]: Toolchain (without parser) took 41243.52ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 50.2MB in the end (delta: 66.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-12-05 23:38:47,248 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:47,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.01ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:38:47,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.08ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:47,248 INFO L158 Benchmark]: Boogie Preprocessor took 17.13ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 800.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:38:47,249 INFO L158 Benchmark]: RCFGBuilder took 225.72ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 91.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:38:47,249 INFO L158 Benchmark]: CodeCheck took 40789.90ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 50.2MB in the end (delta: 41.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-12-05 23:38:47,250 INFO L338 ainManager$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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.01ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.08ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.13ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 800.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 225.72ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 91.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 40789.90ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 50.2MB in the end (delta: 41.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:38:47,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b --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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:38:49,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:38:49,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:38:49,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:38:49,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:38:49,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:38:49,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:38:49,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:38:49,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:38:49,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:38:49,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:38:49,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:38:49,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:38:49,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:38:49,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:38:49,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:49,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:49,271 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:38:49,271 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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b 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 -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-12-05 23:38:49,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:38:49,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:38:49,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:38:49,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:38:49,529 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:38:49,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-12-05 23:38:52,205 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/3499bb343/ba2e464a28bc48a4a51b80a16262bcd2/FLAGf72e9cdb8 [2024-12-05 23:38:52,379 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:38:52,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-12-05 23:38:52,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/3499bb343/ba2e464a28bc48a4a51b80a16262bcd2/FLAGf72e9cdb8 [2024-12-05 23:38:52,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/data/3499bb343/ba2e464a28bc48a4a51b80a16262bcd2 [2024-12-05 23:38:52,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:38:52,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:38:52,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:52,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:38:52,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:38:52,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc0461d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52, skipping insertion in model container [2024-12-05 23:38:52,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:38:52,561 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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-12-05 23:38:52,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:52,589 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:38:52,599 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_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-12-05 23:38:52,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:52,620 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:38:52,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52 WrapperNode [2024-12-05 23:38:52,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:52,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:52,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:38:52,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:38:52,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,648 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-05 23:38:52,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:52,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:38:52,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:38:52,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:38:52,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:38:52,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:38:52,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:38:52,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:38:52,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:52" (1/1) ... [2024-12-05 23:38:52,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:52,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:38:52,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:38:52,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:38:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:38:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:38:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:38:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:38:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:38:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:38:52,783 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:38:52,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:38:52,996 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:38:52,996 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:38:53,036 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:38:53,036 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:38:53,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:53 BoogieIcfgContainer [2024-12-05 23:38:53,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:38:53,037 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:38:53,037 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:38:53,044 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:38:53,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:53" (1/1) ... [2024-12-05 23:38:53,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:38:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-05 23:38:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-05 23:38:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:38:53,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:53,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:53,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:38:53,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:38:53,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:38:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:53,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:38:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:53,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:38:53,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:38:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:38:53,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:38:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 23:38:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 23:38:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:38:55,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:55,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:38:55,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:38:55,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:38:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:55,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:38:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:55,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:38:55,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:39:05,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:39:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-05 23:39:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-05 23:39:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:39:26,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:26,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:26,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:26,197 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:26,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:39:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:27,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:27,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:39:27,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:39:28,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:40:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:40:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-05 23:40:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-05 23:40:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:40:00,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:40:00,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:40:00,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:40:00,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:40:00,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:40:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:00,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:40:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:00,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:40:00,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:40:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:40:02,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:40:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:40:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-12-05 23:40:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-12-05 23:40:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:40:35,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:40:35,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:40:35,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:40:35,721 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:40:35,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:40:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:36,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:40:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:37,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:40:37,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:40:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:40:38,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:41:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-12-05 23:41:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-12-05 23:41:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:41:14,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:14,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:41:14,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:41:14,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:41:14,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:41:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:15,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:41:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:15,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:41:15,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:41:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:41:18,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:42:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-12-05 23:42:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-12-05 23:42:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:42:17,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:17,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:17,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:17,678 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:17,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:42:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:19,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:19,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:42:19,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:42:21,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 23:43:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:07,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-12-05 23:43:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-12-05 23:43:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:43:07,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:07,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:07,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:07,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:07,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:43:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:09,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:09,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:43:09,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:43:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:43:12,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:44:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:44:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2024-12-05 23:44:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2024-12-05 23:44:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:44:15,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:44:15,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:15,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:44:15,711 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:44:15,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:44:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:17,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:44:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:44:18,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:44:18,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:44:20,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-05 23:45:14,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:45:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:45:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2024-12-05 23:45:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-12-05 23:45:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:45:16,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:45:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:45:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:45:16,564 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:45:16,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:45:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:18,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:45:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:45:18,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:45:18,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:45:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:45:22,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-05 23:46:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2024-12-05 23:46:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2024-12-05 23:46:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:46:39,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:39,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:39,548 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:39,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:46:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:42,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:43,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:46:43,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 23:46:46,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-05 23:47:05,788 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:47:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 94 transitions. [2024-12-05 23:47:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2024-12-05 23:47:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 23:47:55,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:55,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:47:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:47:55,895 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:47:55,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:47:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:57,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:47:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:58,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:47:58,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 23:48:06,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-05 23:49:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 50 states and 105 transitions. [2024-12-05 23:49:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 105 transitions. [2024-12-05 23:49:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:49:35,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:35,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:49:35,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:49:35,344 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:49:35,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:49:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:38,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:49:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:49:39,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:49:39,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:49:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 23:49:42,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-05 23:50:02,118 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:50:29,731 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:50:32,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:51:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:51:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 109 transitions. [2024-12-05 23:51:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 109 transitions. [2024-12-05 23:51:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:51:04,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:51:04,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:51:04,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:51:04,472 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:51:04,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:51:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:06,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:51:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:51:07,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:51:07,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:51:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 13 proven. 49 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 23:51:13,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-05 23:52:02,490 WARN L286 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:52:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 56 states and 120 transitions. [2024-12-05 23:52:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 120 transitions. [2024-12-05 23:52:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:52:57,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:57,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:52:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:52:57,602 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:52:57,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:53:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:01,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:53:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:02,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 23:53:02,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:53:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 25 proven. 74 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 23:53:06,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_781f9e0a-f6ce-4d3f-81b1-ffdd8c1def51/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0