./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:38:52,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:52,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:38:52,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:52,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:52,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:52,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:38:52,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:38:52,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:52,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:52,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:52,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:52,869 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:52,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:52,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:52,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:52,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:52,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:52,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:52,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:38:52,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:52,874 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:52,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:52,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:52,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:52,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:52,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:52,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:52,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:52,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:52,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:52,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:38:52,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:52,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:52,880 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:38:52,881 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_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 [2023-11-19 03:38:53,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:53,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:53,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:53,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:53,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:53,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/egcd2.c [2023-11-19 03:38:56,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:56,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:56,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/sv-benchmarks/c/nla-digbench/egcd2.c [2023-11-19 03:38:56,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/data/2c3ce18a3/9c7cbea3e79e49f7bf2f2dd00c029543/FLAG6a042a2ee [2023-11-19 03:38:56,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/data/2c3ce18a3/9c7cbea3e79e49f7bf2f2dd00c029543 [2023-11-19 03:38:56,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:56,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:56,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:56,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:56,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:56,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:56,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55230975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56, skipping insertion in model container [2023-11-19 03:38:56,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:56,734 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:56,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:56,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:56,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:56,969 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:56,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56 WrapperNode [2023-11-19 03:38:56,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:56,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:56,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:56,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:56,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:56,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,041 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2023-11-19 03:38:57,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:57,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:57,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:57,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:57,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:57,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:57,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:57,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:57,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:56" (1/1) ... [2023-11-19 03:38:57,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:57,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:57,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:57,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:38:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:38:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:38:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:38:57,248 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:57,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:57,903 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:57,938 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:57,938 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:38:57,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:57 BoogieIcfgContainer [2023-11-19 03:38:57,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:57,957 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:57,957 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:57,967 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:57,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:57" (1/1) ... [2023-11-19 03:38:57,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2023-11-19 03:38:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2023-11-19 03:38:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:38:58,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:58,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:58,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:38:58,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 149 states and 157 transitions. [2023-11-19 03:38:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2023-11-19 03:38:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:38:58,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:58,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:38:58,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 152 states and 162 transitions. [2023-11-19 03:38:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2023-11-19 03:38:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:38:58,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:58,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:58,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:38:58,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:58,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2023-11-19 03:38:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2023-11-19 03:38:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:38:58,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:58,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:58,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:38:58,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2023-11-19 03:38:58,660 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2023-11-19 03:38:58,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:38:58,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:58,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:38:58,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 160 states and 173 transitions. [2023-11-19 03:38:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-19 03:38:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:38:58,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:58,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:59,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:38:59,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 161 states and 174 transitions. [2023-11-19 03:38:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-19 03:38:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:38:59,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:59,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:59,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:38:59,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:38:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 167 states and 183 transitions. [2023-11-19 03:38:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 183 transitions. [2023-11-19 03:38:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:38:59,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:59,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:38:59,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:38:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 195 transitions. [2023-11-19 03:39:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-19 03:39:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:39:00,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:00,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:00,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:00,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:00,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 176 states and 199 transitions. [2023-11-19 03:39:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 199 transitions. [2023-11-19 03:39:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:39:00,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:00,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:00,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:39:00,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 183 states and 212 transitions. [2023-11-19 03:39:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 212 transitions. [2023-11-19 03:39:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:39:01,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:01,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:01,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:01,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 184 states and 213 transitions. [2023-11-19 03:39:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 213 transitions. [2023-11-19 03:39:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:39:02,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:02,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:02,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:02,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 193 states and 230 transitions. [2023-11-19 03:39:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2023-11-19 03:39:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:39:03,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:03,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:03,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:04,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 203 states and 248 transitions. [2023-11-19 03:39:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2023-11-19 03:39:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:39:04,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:04,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 204 states and 249 transitions. [2023-11-19 03:39:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 249 transitions. [2023-11-19 03:39:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:39:04,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:04,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:04,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:04,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 215 states and 268 transitions. [2023-11-19 03:39:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 268 transitions. [2023-11-19 03:39:06,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:39:06,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:06,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:06,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:06,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 224 states and 284 transitions. [2023-11-19 03:39:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 284 transitions. [2023-11-19 03:39:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:39:07,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:07,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:07,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:07,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 234 states and 300 transitions. [2023-11-19 03:39:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 300 transitions. [2023-11-19 03:39:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:39:09,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:09,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:09,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 244 states and 317 transitions. [2023-11-19 03:39:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 317 transitions. [2023-11-19 03:39:10,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:39:10,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:10,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:10,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:10,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 245 states and 318 transitions. [2023-11-19 03:39:10,298 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 318 transitions. [2023-11-19 03:39:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:39:10,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:10,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:10,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:10,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 248 states and 322 transitions. [2023-11-19 03:39:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 322 transitions. [2023-11-19 03:39:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:39:10,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:10,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:10,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 251 states and 326 transitions. [2023-11-19 03:39:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 326 transitions. [2023-11-19 03:39:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:39:11,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:11,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:11,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 252 states and 327 transitions. [2023-11-19 03:39:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 327 transitions. [2023-11-19 03:39:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:39:11,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:11,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:11,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:39:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 253 states and 328 transitions. [2023-11-19 03:39:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 328 transitions. [2023-11-19 03:39:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:39:11,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:11,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:12,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:12,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 267 states and 348 transitions. [2023-11-19 03:39:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 348 transitions. [2023-11-19 03:39:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:39:13,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:13,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:13,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:13,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 268 states and 349 transitions. [2023-11-19 03:39:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 349 transitions. [2023-11-19 03:39:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:39:13,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:13,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:13,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:13,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 284 states and 372 transitions. [2023-11-19 03:39:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 372 transitions. [2023-11-19 03:39:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:39:15,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:15,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:15,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 303 states and 400 transitions. [2023-11-19 03:39:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 400 transitions. [2023-11-19 03:39:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:39:19,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:19,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:19,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:19,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 306 states and 404 transitions. [2023-11-19 03:39:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 404 transitions. [2023-11-19 03:39:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:39:19,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:19,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:19,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:39:19,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 307 states and 405 transitions. [2023-11-19 03:39:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 405 transitions. [2023-11-19 03:39:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:39:19,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:19,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:39:19,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:19,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 309 states and 408 transitions. [2023-11-19 03:39:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 408 transitions. [2023-11-19 03:39:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:39:19,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:19,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:19,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:39:19,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 412 transitions. [2023-11-19 03:39:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 412 transitions. [2023-11-19 03:39:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:39:20,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:20,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:20,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:39:20,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 337 states and 448 transitions. [2023-11-19 03:39:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2023-11-19 03:39:27,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:39:27,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:27,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:27,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:39:27,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 342 states and 455 transitions. [2023-11-19 03:39:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2023-11-19 03:39:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:39:28,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:28,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:28,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:39:28,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 344 states and 458 transitions. [2023-11-19 03:39:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2023-11-19 03:39:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:39:30,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:30,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:39:30,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 347 states and 462 transitions. [2023-11-19 03:39:32,207 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 462 transitions. [2023-11-19 03:39:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:39:32,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:32,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:32,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:39:32,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:39:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:39:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 357 states and 475 transitions. [2023-11-19 03:39:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 475 transitions. [2023-11-19 03:39:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:39:34,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:34,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:39:44,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:39:44,426 INFO L158 Benchmark]: Toolchain (without parser) took 47727.77ms. Allocated memory was 134.2MB in the beginning and 352.3MB in the end (delta: 218.1MB). Free memory was 73.3MB in the beginning and 239.1MB in the end (delta: -165.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-11-19 03:39:44,427 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:44,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.59ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 104.6MB in the end (delta: -31.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-19 03:39:44,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.14ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 104.6MB in the beginning and 141.7MB in the end (delta: -37.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:44,430 INFO L158 Benchmark]: Boogie Preprocessor took 42.17ms. Allocated memory is still 167.8MB. Free memory was 141.7MB in the beginning and 140.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:44,431 INFO L158 Benchmark]: RCFGBuilder took 865.79ms. Allocated memory is still 167.8MB. Free memory was 140.6MB in the beginning and 114.5MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:39:44,435 INFO L158 Benchmark]: CodeCheck took 46467.14ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 114.5MB in the beginning and 239.1MB in the end (delta: -124.6MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-11-19 03:39:44,439 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 0.27ms. Allocated memory is still 134.2MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.59ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 104.6MB in the end (delta: -31.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.14ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 104.6MB in the beginning and 141.7MB in the end (delta: -37.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.17ms. Allocated memory is still 167.8MB. Free memory was 141.7MB in the beginning and 140.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 865.79ms. Allocated memory is still 167.8MB. Free memory was 140.6MB in the beginning and 114.5MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 46467.14ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 114.5MB in the beginning and 239.1MB in the end (delta: -124.6MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:44,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:39:47,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:47,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:39:47,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:47,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:47,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:47,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:47,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:47,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:47,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:47,580 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:47,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:47,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:47,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:47,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:47,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:47,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:39:47,585 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:39:47,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:39:47,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:39:47,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:39:47,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:47,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:47,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:47,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:47,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:47,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:47,591 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:47,592 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:47,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:47,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:47,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:47,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:47,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:47,596 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:39:47,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:47,597 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:47,597 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:39:47,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:47,599 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_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 [2023-11-19 03:39:48,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:48,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:48,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:48,193 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:48,194 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:48,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b35cfb6-a5fe-4b18-849b-e9461682f962/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/egcd2.c