./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/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_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:15:10,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:15:10,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:15:10,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:15:10,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:15:10,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:15:10,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:15:10,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:15:10,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:15:10,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:15:10,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:15:10,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:15:10,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:15:10,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:15:10,533 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:15:10,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:15:10,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:15:10,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:15:10,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:15:10,534 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_8fd231d8-05ec-456b-bcd8-e848d3d8f245/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 ! overflow) ) 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 -> 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 [2024-12-06 02:15:10,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:15:10,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:15:10,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:15:10,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:15:10,775 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:15:10,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-12-06 02:15:13,463 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/42ee59cf9/ef66d993621b46dca5709a3f319cd177/FLAG7de5d8d80 [2024-12-06 02:15:13,653 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:15:13,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-12-06 02:15:13,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/42ee59cf9/ef66d993621b46dca5709a3f319cd177/FLAG7de5d8d80 [2024-12-06 02:15:14,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/42ee59cf9/ef66d993621b46dca5709a3f319cd177 [2024-12-06 02:15:14,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:15:14,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:15:14,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:15:14,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:15:14,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:15:14,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e2a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14, skipping insertion in model container [2024-12-06 02:15:14,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:15:14,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:15:14,214 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:15:14,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:15:14,251 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:15:14,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14 WrapperNode [2024-12-06 02:15:14,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:15:14,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:15:14,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:15:14,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:15:14,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,285 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-12-06 02:15:14,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:15:14,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:15:14,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:15:14,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:15:14,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:15:14,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:15:14,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:15:14,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:15:14,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:15:14" (1/1) ... [2024-12-06 02:15:14,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:15:14,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:15:14,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:15:14,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:15:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:15:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 02:15:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 02:15:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:15:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 02:15:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 02:15:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:15:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:15:14,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:15:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:15:14,453 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:15:14,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:15:14,990 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-12-06 02:15:14,990 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:15:15,028 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:15:15,028 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 02:15:15,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:15:15 BoogieIcfgContainer [2024-12-06 02:15:15,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:15:15,029 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:15:15,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:15:15,037 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:15:15,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:15:15" (1/1) ... [2024-12-06 02:15:15,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:15:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-12-06 02:15:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-12-06 02:15:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:15:15,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 223 states and 235 transitions. [2024-12-06 02:15:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 235 transitions. [2024-12-06 02:15:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:15:15,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 222 states and 234 transitions. [2024-12-06 02:15:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 234 transitions. [2024-12-06 02:15:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:15:15,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 221 states and 233 transitions. [2024-12-06 02:15:15,466 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 233 transitions. [2024-12-06 02:15:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:15:15,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 220 states and 232 transitions. [2024-12-06 02:15:15,527 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 232 transitions. [2024-12-06 02:15:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:15:15,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 219 states and 231 transitions. [2024-12-06 02:15:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 231 transitions. [2024-12-06 02:15:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:15:15,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:15:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:15:15,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2024-12-06 02:15:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2024-12-06 02:15:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:15:15,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 229 transitions. [2024-12-06 02:15:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2024-12-06 02:15:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:15:15,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 216 states and 228 transitions. [2024-12-06 02:15:15,868 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2024-12-06 02:15:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:15:15,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 215 states and 227 transitions. [2024-12-06 02:15:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2024-12-06 02:15:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:15:15,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 214 states and 226 transitions. [2024-12-06 02:15:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2024-12-06 02:15:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:15:16,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:16,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 213 states and 225 transitions. [2024-12-06 02:15:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2024-12-06 02:15:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:15:16,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:16,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:15:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 212 states and 224 transitions. [2024-12-06 02:15:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2024-12-06 02:15:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:15:16,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:16,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:15:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:16,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:15:16,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:16,830 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 02:15:16,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-06 02:15:16,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:15:17,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-12-06 02:15:17,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 02:15:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 211 states and 223 transitions. [2024-12-06 02:15:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2024-12-06 02:15:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:15:18,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:18,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:15:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 222 transitions. [2024-12-06 02:15:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2024-12-06 02:15:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:15:20,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 213 states and 224 transitions. [2024-12-06 02:15:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 224 transitions. [2024-12-06 02:15:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:15:23,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 217 states and 228 transitions. [2024-12-06 02:15:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 228 transitions. [2024-12-06 02:15:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:15:26,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:26,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:15:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:26,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:15:26,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:26,232 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 02:15:26,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-06 02:15:26,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:15:26,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-12-06 02:15:27,204 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-12-06 02:15:27,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 26 [2024-12-06 02:15:27,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:15:27,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-12-06 02:15:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 222 states and 235 transitions. [2024-12-06 02:15:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 235 transitions. [2024-12-06 02:15:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:15:37,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 228 states and 244 transitions. [2024-12-06 02:15:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2024-12-06 02:15:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:15:44,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:44,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:15:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:44,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:15:44,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:44,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-06 02:15:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:15:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 227 states and 243 transitions. [2024-12-06 02:15:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 243 transitions. [2024-12-06 02:15:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:15:44,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:15:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:44,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 02:15:44,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:44,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:15:45,007 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 02:15:45,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 02:15:46,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2024-12-06 02:15:46,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-12-06 02:15:47,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-12-06 02:15:51,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 62 [2024-12-06 02:15:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:10,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 02:16:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 235 states and 256 transitions. [2024-12-06 02:16:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 256 transitions. [2024-12-06 02:16:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:16:26,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:26,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:16:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:26,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:16:26,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:26,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 838 treesize of output 822 [2024-12-06 02:16:27,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-12-06 02:16:27,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 02:16:27,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 18 [2024-12-06 02:16:27,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 02:16:27,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:16:27,118 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2024-12-06 02:16:27,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 1 [2024-12-06 02:16:27,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-06 02:16:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:16:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 244 states and 273 transitions. [2024-12-06 02:16:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 273 transitions. [2024-12-06 02:16:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:16:56,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:56,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:16:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:56,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:16:56,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:56,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 460 treesize of output 444 [2024-12-06 02:16:56,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-12-06 02:16:56,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 02:16:56,636 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:16:56,636 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2024-12-06 02:16:56,655 INFO L349 Elim1Store]: treesize reduction 13, result has 53.6 percent of original size [2024-12-06 02:16:56,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2024-12-06 02:17:37,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-06 02:17:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:17:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 246 states and 278 transitions. [2024-12-06 02:17:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2024-12-06 02:17:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:17:40,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:40,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:41,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 02:17:41,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:41,033 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 02:17:41,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2024-12-06 02:17:41,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-12-06 02:17:41,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-12-06 02:17:43,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-06 02:17:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 257 states and 297 transitions. [2024-12-06 02:18:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 297 transitions. [2024-12-06 02:18:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:18:09,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:09,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:09,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 02:18:09,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:09,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 334 [2024-12-06 02:18:09,362 INFO L349 Elim1Store]: treesize reduction 13, result has 53.6 percent of original size [2024-12-06 02:18:09,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2024-12-06 02:18:09,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-12-06 02:18:09,376 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 02:18:09,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-06 02:18:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 260 states and 301 transitions. [2024-12-06 02:18:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 301 transitions. [2024-12-06 02:18:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:18:29,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:29,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 265 states and 311 transitions. [2024-12-06 02:18:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 311 transitions. [2024-12-06 02:18:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:18:43,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:18:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 271 states and 322 transitions. [2024-12-06 02:18:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 322 transitions. [2024-12-06 02:18:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:18:54,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:54,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:18:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:54,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:18:54,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:18:54,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 178 [2024-12-06 02:18:54,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2024-12-06 02:18:54,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 02:18:54,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 18 [2024-12-06 02:18:54,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 02:18:54,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:18:54,724 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2024-12-06 02:18:54,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 1 [2024-12-06 02:18:54,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-06 02:18:56,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:18:56,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2024-12-06 02:18:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:19:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:19:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 278 states and 337 transitions. [2024-12-06 02:19:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 337 transitions. [2024-12-06 02:19:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 02:19:11,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:19:11,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:19:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:19:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:19:11,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 02:19:11,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:19:11,537 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 02:19:11,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2024-12-06 02:19:11,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:19:14,467 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-12-06 02:19:14,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 48 [2024-12-06 02:19:23,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-12-06 02:19:29,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 35 [2024-12-06 02:19:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:20:01,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-06 02:20:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 288 states and 355 transitions. [2024-12-06 02:20:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 355 transitions. [2024-12-06 02:20:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 02:20:05,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:20:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:20:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 293 states and 364 transitions. [2024-12-06 02:20:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 364 transitions. [2024-12-06 02:20:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 02:20:13,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:13,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:20:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:20:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 294 states and 365 transitions. [2024-12-06 02:20:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 365 transitions. [2024-12-06 02:20:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:20:13,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:13,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:20:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:20:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 297 states and 369 transitions. [2024-12-06 02:20:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 369 transitions. [2024-12-06 02:20:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:20:21,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:21,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:20:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:20:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:21,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 02:20:21,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:20:21,484 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 02:20:21,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 02:20:21,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:20:26,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2024-12-06 02:20:27,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2024-12-06 02:20:34,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 40 [2024-12-06 02:20:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:22:15,857 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 69 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:22:27,854 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:23:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 317 states and 402 transitions. [2024-12-06 02:23:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 402 transitions. [2024-12-06 02:23:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:23:17,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:17,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:23:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:23:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:24:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:24:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 338 states and 436 transitions. [2024-12-06 02:24:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 436 transitions. [2024-12-06 02:24:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:24:18,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:24:18,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:24:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:24:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:25:05,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 02:26:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 363 states and 478 transitions. [2024-12-06 02:26:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 478 transitions. [2024-12-06 02:26:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:26:09,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:29,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 02:27:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 379 states and 507 transitions. [2024-12-06 02:27:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 507 transitions. [2024-12-06 02:27:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:27:10,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:27:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 386 states and 522 transitions. [2024-12-06 02:27:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 522 transitions. [2024-12-06 02:27:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 02:27:27,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:27:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 388 states and 522 transitions. [2024-12-06 02:27:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 522 transitions. [2024-12-06 02:27:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 02:27:27,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:27,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:27:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:27,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:27:27,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:27:27,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 02:27:27,326 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 02:27:27,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 02:28:20,332 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 02:28:20,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 02:28:20,333 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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) [2024-12-06 02:28:20,336 INFO L158 Benchmark]: Toolchain (without parser) took 786305.44ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 116.9MB in the beginning and 184.4MB in the end (delta: -67.6MB). Peak memory consumption was 170.0MB. Max. memory is 16.1GB. [2024-12-06 02:28:20,336 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:20,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.02ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:20,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.47ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:20,337 INFO L158 Benchmark]: Boogie Preprocessor took 25.28ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:20,337 INFO L158 Benchmark]: RCFGBuilder took 717.00ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 64.2MB in the end (delta: 37.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:28:20,337 INFO L158 Benchmark]: CodeCheck took 785306.15ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 64.2MB in the beginning and 184.4MB in the end (delta: -120.3MB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. [2024-12-06 02:28:20,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.02ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.4MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.47ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.28ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 717.00ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 64.2MB in the end (delta: 37.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 785306.15ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 64.2MB in the beginning and 184.4MB in the end (delta: -120.3MB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/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_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:28:22,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:28:22,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 02:28:22,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:28:22,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:28:22,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:28:22,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:28:22,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:28:22,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:28:22,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:28:22,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:28:22,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:28:22,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:28:22,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:28:22,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:28:22,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:28:22,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:28:22,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:28:22,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:28:22,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:28:22,194 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:28:22,195 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_8fd231d8-05ec-456b-bcd8-e848d3d8f245/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 ! overflow) ) 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 -> 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 [2024-12-06 02:28:22,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:28:22,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:28:22,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:28:22,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:28:22,452 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:28:22,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-12-06 02:28:25,200 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/af9d4b42b/983b12dcb7cd4094ae8eb5a2dc964eea/FLAGc7928d379 [2024-12-06 02:28:25,370 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:28:25,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-12-06 02:28:25,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/af9d4b42b/983b12dcb7cd4094ae8eb5a2dc964eea/FLAGc7928d379 [2024-12-06 02:28:25,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/data/af9d4b42b/983b12dcb7cd4094ae8eb5a2dc964eea [2024-12-06 02:28:25,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:28:25,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:28:25,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:28:25,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:28:25,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:28:25,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:25,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522a9bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25, skipping insertion in model container [2024-12-06 02:28:25,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:25,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:28:25,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:28:25,939 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:28:25,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:28:25,979 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:28:25,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25 WrapperNode [2024-12-06 02:28:25,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:28:25,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:28:25,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:28:25,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:28:25,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:25,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,014 INFO L138 Inliner]: procedures = 22, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-12-06 02:28:26,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:28:26,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:28:26,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:28:26,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:28:26,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,039 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:28:26,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:28:26,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:28:26,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:28:26,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:25" (1/1) ... [2024-12-06 02:28:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:28:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:28:26,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:28:26,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:28:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:28:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 02:28:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:28:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 02:28:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 02:28:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:28:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:28:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 02:28:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:28:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:28:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:28:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:28:26,207 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:28:26,209 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:29:56,341 INFO L? ?]: Removed 217 outVars from TransFormulas that were not future-live. [2024-12-06 02:29:56,341 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:29:56,379 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:29:56,379 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 02:29:56,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:56 BoogieIcfgContainer [2024-12-06 02:29:56,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:29:56,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:29:56,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:29:56,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:29:56,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:29:56" (1/1) ... [2024-12-06 02:29:56,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:29:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-12-06 02:29:56,440 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-12-06 02:29:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:29:56,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:56,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:56,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:56,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:29:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:29:56,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:56,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 02:29:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 223 states and 235 transitions. [2024-12-06 02:29:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 235 transitions. [2024-12-06 02:29:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:29:56,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:56,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:56,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:56,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:56,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:29:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:29:56,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:56,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:29:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 222 states and 234 transitions. [2024-12-06 02:29:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 234 transitions. [2024-12-06 02:29:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:29:56,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:56,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:56,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:56,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:56,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:29:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:29:56,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:56,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:29:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 221 states and 233 transitions. [2024-12-06 02:29:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 233 transitions. [2024-12-06 02:29:56,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:29:56,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:56,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:56,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:56,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:56,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:29:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:29:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:56,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 02:29:56,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:29:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:29:56,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:29:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 220 states and 232 transitions. [2024-12-06 02:29:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 232 transitions. [2024-12-06 02:29:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:29:56,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:29:56,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:29:56,905 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:29:56,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fd231d8-05ec-456b-bcd8-e848d3d8f245/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process