./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/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_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86018b7f3e582b94d83913c12d8eaea893434e1e96da49ea035805521496eb67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:44,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:45,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:49:45,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:45,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:45,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:45,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:45,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:45,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:45,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:45,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:45,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:45,067 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:45,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:45,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:45,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:45,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:45,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:45,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:45,071 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:45,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:45,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:45,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:45,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:45,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:45,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:45,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:45,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:45,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:45,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:45,081 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:45,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:45,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:45,082 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_a86505c7-43a3-4da7-b206-17cb21f13918/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86018b7f3e582b94d83913c12d8eaea893434e1e96da49ea035805521496eb67 [2023-11-19 02:49:45,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:45,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:45,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:45,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:45,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:45,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c [2023-11-19 02:49:48,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:49:48,689 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:49:48,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c [2023-11-19 02:49:48,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/data/45ba5e51d/a7df1e0864f64cfb9bd870f12ec35dfc/FLAG03bf08a63 [2023-11-19 02:49:48,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/data/45ba5e51d/a7df1e0864f64cfb9bd870f12ec35dfc [2023-11-19 02:49:48,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:49:48,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:49:48,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:48,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:49:48,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:49:48,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:48" (1/1) ... [2023-11-19 02:49:48,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad7da09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:48, skipping insertion in model container [2023-11-19 02:49:48,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:49:48" (1/1) ... [2023-11-19 02:49:48,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:49:48,946 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c[597,610] [2023-11-19 02:49:48,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:48,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:49:48,988 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound100.c[597,610] [2023-11-19 02:49:48,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:49:49,011 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:49:49,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49 WrapperNode [2023-11-19 02:49:49,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:49:49,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:49,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:49:49,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:49:49,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,048 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-19 02:49:49,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:49:49,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:49:49,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:49:49,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:49:49,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:49:49,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:49:49,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:49:49,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:49:49,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:49,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:49:49,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:49:49,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a86505c7-43a3-4da7-b206-17cb21f13918/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:49:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:49:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:49:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:49:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:49:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:49:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:49:49,252 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:49:49,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:49:49,549 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:49:49,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:49:49,632 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:49:49,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:49 BoogieIcfgContainer [2023-11-19 02:49:49,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:49:49,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:49:49,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:49:49,651 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:49:49,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:49:49" (1/1) ... [2023-11-19 02:49:49,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:49:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 02:49:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 02:49:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:49:49,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:49,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:49:49,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 02:49:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 02:49:50,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:49:50,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:50,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:50,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:49:50,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:49:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:49:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:49:50,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:50,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:49:50,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-19 02:49:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 02:49:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:49:51,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:51,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:49:51,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-19 02:49:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-19 02:49:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:49:52,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:52,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:49:52,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-19 02:49:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-19 02:49:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:49:54,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:54,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:54,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:49:54,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:49:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2023-11-19 02:49:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2023-11-19 02:49:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:49:57,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:57,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:57,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:49:57,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:49:57,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:49:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:58,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 44 states and 100 transitions. [2023-11-19 02:49:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 100 transitions. [2023-11-19 02:49:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:49:58,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:58,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:58,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:49:58,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:50:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 47 states and 113 transitions. [2023-11-19 02:50:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 113 transitions. [2023-11-19 02:50:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:50:01,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:01,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:01,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:50:01,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 51 states and 127 transitions. [2023-11-19 02:50:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 127 transitions. [2023-11-19 02:50:04,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:50:04,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:05,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:50:05,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 56 states and 152 transitions. [2023-11-19 02:50:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 152 transitions. [2023-11-19 02:50:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:50:06,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:06,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:50:06,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 60 states and 185 transitions. [2023-11-19 02:50:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 185 transitions. [2023-11-19 02:50:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:50:14,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:14,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:14,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:50:14,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:50:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 60 states and 176 transitions. [2023-11-19 02:50:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 176 transitions. [2023-11-19 02:50:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:50:17,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:17,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:17,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:50:17,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:50:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:24,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 65 states and 207 transitions. [2023-11-19 02:50:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 207 transitions. [2023-11-19 02:50:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:50:24,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:24,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:24,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:50:24,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 69 states and 222 transitions. [2023-11-19 02:50:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 222 transitions. [2023-11-19 02:50:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:50:30,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:30,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:30,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:50:30,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:50:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 74 states and 259 transitions. [2023-11-19 02:50:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 259 transitions. [2023-11-19 02:50:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:50:33,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:33,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:33,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:50:33,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:50:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:50:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 78 states and 297 transitions. [2023-11-19 02:50:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 297 transitions. [2023-11-19 02:50:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:50:42,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:50:42,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 02:50:42,550 INFO L285 TraceCheckSpWp]: Computing forward predicates...