./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC --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 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:29,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:29,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:12:29,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:29,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:29,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:29,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:29,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:29,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:29,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:29,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:29,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:29,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:29,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:29,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:29,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:29,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:29,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:29,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:29,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:29,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:29,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:29,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:29,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:29,587 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:29,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:29,588 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:29,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:29,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:29,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:29,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:29,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:29,592 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:29,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:29,592 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:29,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 [2023-11-23 20:12:29,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:29,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:29,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:29,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:29,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:29,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd2.c [2023-11-23 20:12:33,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:33,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:33,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/sv-benchmarks/c/nla-digbench/egcd2.c [2023-11-23 20:12:33,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/data/b0d00cdb7/ea45b9b368c84b3aa88d4dfcaec4c398/FLAGe7188da7e [2023-11-23 20:12:33,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/data/b0d00cdb7/ea45b9b368c84b3aa88d4dfcaec4c398 [2023-11-23 20:12:33,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:33,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:33,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:33,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:33,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:33,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d7fcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33, skipping insertion in model container [2023-11-23 20:12:33,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:33,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:33,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:33,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:33,606 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:33,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33 WrapperNode [2023-11-23 20:12:33,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:33,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:33,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:33,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:33,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,655 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2023-11-23 20:12:33,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:33,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:33,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:33,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:33,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:33,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:33,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:33,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:33,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:33" (1/1) ... [2023-11-23 20:12:33,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:33,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:33,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:33,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:33,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:33,834 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:33,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:34,466 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:34,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:34,516 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:12:34,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:34 BoogieIcfgContainer [2023-11-23 20:12:34,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:34,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:34,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:34,531 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:34,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:34" (1/1) ... [2023-11-23 20:12:34,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2023-11-23 20:12:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2023-11-23 20:12:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:34,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:34,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:34,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 149 states and 157 transitions. [2023-11-23 20:12:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2023-11-23 20:12:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:12:34,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:34,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 152 states and 162 transitions. [2023-11-23 20:12:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2023-11-23 20:12:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:12:35,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2023-11-23 20:12:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2023-11-23 20:12:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:12:35,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2023-11-23 20:12:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2023-11-23 20:12:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:35,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 160 states and 173 transitions. [2023-11-23 20:12:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-23 20:12:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:35,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 161 states and 174 transitions. [2023-11-23 20:12:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-23 20:12:35,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:12:35,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:35,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 167 states and 183 transitions. [2023-11-23 20:12:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 183 transitions. [2023-11-23 20:12:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:12:36,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:36,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:36,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:36,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 195 transitions. [2023-11-23 20:12:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-23 20:12:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:36,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:36,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:36,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:36,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 176 states and 199 transitions. [2023-11-23 20:12:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 199 transitions. [2023-11-23 20:12:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:37,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:37,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:37,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:37,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 183 states and 212 transitions. [2023-11-23 20:12:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 212 transitions. [2023-11-23 20:12:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:38,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:38,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:38,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 184 states and 213 transitions. [2023-11-23 20:12:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 213 transitions. [2023-11-23 20:12:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:38,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:38,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:38,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 193 states and 230 transitions. [2023-11-23 20:12:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2023-11-23 20:12:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:39,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:39,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:39,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:39,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 203 states and 248 transitions. [2023-11-23 20:12:40,927 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2023-11-23 20:12:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:40,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:40,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:40,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 204 states and 249 transitions. [2023-11-23 20:12:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 249 transitions. [2023-11-23 20:12:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:12:41,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:41,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:41,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:41,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 215 states and 268 transitions. [2023-11-23 20:12:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 268 transitions. [2023-11-23 20:12:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:12:42,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:42,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:42,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:42,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 224 states and 284 transitions. [2023-11-23 20:12:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 284 transitions. [2023-11-23 20:12:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:12:43,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:43,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:43,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:43,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 234 states and 300 transitions. [2023-11-23 20:12:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 300 transitions. [2023-11-23 20:12:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:12:45,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:45,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:45,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 244 states and 317 transitions. [2023-11-23 20:12:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 317 transitions. [2023-11-23 20:12:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:45,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:45,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:45,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 245 states and 318 transitions. [2023-11-23 20:12:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 318 transitions. [2023-11-23 20:12:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:45,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:45,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:45,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 248 states and 322 transitions. [2023-11-23 20:12:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 322 transitions. [2023-11-23 20:12:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:46,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:46,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:46,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:46,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 251 states and 326 transitions. [2023-11-23 20:12:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 326 transitions. [2023-11-23 20:12:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:46,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:46,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:46,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:46,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 252 states and 327 transitions. [2023-11-23 20:12:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 327 transitions. [2023-11-23 20:12:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:47,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:47,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:47,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 253 states and 328 transitions. [2023-11-23 20:12:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 328 transitions. [2023-11-23 20:12:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:12:47,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:47,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:47,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 267 states and 348 transitions. [2023-11-23 20:12:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 348 transitions. [2023-11-23 20:12:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:12:49,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:49,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:49,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 268 states and 349 transitions. [2023-11-23 20:12:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 349 transitions. [2023-11-23 20:12:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:12:49,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:49,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:49,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:49,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 284 states and 372 transitions. [2023-11-23 20:12:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 372 transitions. [2023-11-23 20:12:50,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:12:50,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:50,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 303 states and 400 transitions. [2023-11-23 20:12:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 400 transitions. [2023-11-23 20:12:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:12:54,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:54,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:54,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 306 states and 404 transitions. [2023-11-23 20:12:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 404 transitions. [2023-11-23 20:12:54,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:12:54,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:54,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 307 states and 405 transitions. [2023-11-23 20:12:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 405 transitions. [2023-11-23 20:12:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:12:54,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:54,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:12:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 309 states and 408 transitions. [2023-11-23 20:12:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 408 transitions. [2023-11-23 20:12:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:12:55,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:12:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 412 transitions. [2023-11-23 20:12:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 412 transitions. [2023-11-23 20:12:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:12:55,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 337 states and 448 transitions. [2023-11-23 20:13:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2023-11-23 20:13:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:13:03,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:03,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:03,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:13:03,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 342 states and 455 transitions. [2023-11-23 20:13:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2023-11-23 20:13:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:13:04,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:04,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:04,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 344 states and 458 transitions. [2023-11-23 20:13:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2023-11-23 20:13:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:13:06,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:06,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:06,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 347 states and 462 transitions. [2023-11-23 20:13:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 462 transitions. [2023-11-23 20:13:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:13:07,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:07,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:07,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 357 states and 475 transitions. [2023-11-23 20:13:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 475 transitions. [2023-11-23 20:13:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:13:09,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:09,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:13:19,642 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:13:19,646 INFO L158 Benchmark]: Toolchain (without parser) took 46310.61ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 124.6MB in the beginning and 231.0MB in the end (delta: -106.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-23 20:13:19,646 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 163.6MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:19,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.13ms. Allocated memory is still 163.6MB. Free memory was 124.6MB in the beginning and 113.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:13:19,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.93ms. Allocated memory is still 163.6MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:19,647 INFO L158 Benchmark]: Boogie Preprocessor took 36.88ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:19,648 INFO L158 Benchmark]: RCFGBuilder took 824.39ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 84.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:13:19,649 INFO L158 Benchmark]: CodeCheck took 45125.26ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 84.3MB in the beginning and 231.0MB in the end (delta: -146.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:19,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 163.6MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.13ms. Allocated memory is still 163.6MB. Free memory was 124.6MB in the beginning and 113.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.93ms. Allocated memory is still 163.6MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.88ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 824.39ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 84.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 45125.26ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 84.3MB in the beginning and 231.0MB in the end (delta: -146.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:13:19,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC --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 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:22,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:22,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:13:22,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:22,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:22,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:22,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:22,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:22,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:22,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:22,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:22,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:22,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:22,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:22,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:22,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:22,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:13:22,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:13:22,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:22,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:13:22,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:22,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:22,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:22,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:22,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:22,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:22,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:22,523 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:22,524 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:22,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:22,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:22,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:22,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:22,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:22,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:13:22,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:13:22,528 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:22,528 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:13:22,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:13:22,529 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 [2023-11-23 20:13:22,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:22,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:22,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:22,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:22,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:22,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2555f5f1-1d79-43f6-b927-446a2f2a3df1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd2.c