./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/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_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/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_c87676b9-ce34-48a3-ad67-c3f9062d77f9/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 b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:38,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:38,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:39,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:39,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:39,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:39,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:39,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:39,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:39,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:39,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:39,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:39,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:39,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:39,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:39,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:39,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:39,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:39,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:39,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:39,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:39,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:39,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:39,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:39,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:39,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:39,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:39,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:39,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:39,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:39,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:39,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:39,095 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:39,097 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_c87676b9-ce34-48a3-ad67-c3f9062d77f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2023-11-19 02:52:39,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:39,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:39,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:39,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:39,551 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:39,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2023-11-19 02:52:42,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:43,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:43,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2023-11-19 02:52:43,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/data/a5494eea2/bd72ead145964da1a1e45a3e15697b5c/FLAG850083dac [2023-11-19 02:52:43,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/data/a5494eea2/bd72ead145964da1a1e45a3e15697b5c [2023-11-19 02:52:43,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:43,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:43,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:43,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:43,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:43,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8920e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43, skipping insertion in model container [2023-11-19 02:52:43,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:43,519 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_c87676b9-ce34-48a3-ad67-c3f9062d77f9/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2023-11-19 02:52:43,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:43,568 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:43,585 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_c87676b9-ce34-48a3-ad67-c3f9062d77f9/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2023-11-19 02:52:43,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:43,618 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:43,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43 WrapperNode [2023-11-19 02:52:43,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:43,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:43,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:43,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:43,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,697 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 112 [2023-11-19 02:52:43,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:43,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:43,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:43,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:43,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:43,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:43,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:43,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:43,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:43,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:43,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:43,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:52:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:52:44,027 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:44,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:44,340 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:44,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:44,367 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:52:44,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44 BoogieIcfgContainer [2023-11-19 02:52:44,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:44,379 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:44,379 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:44,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:44,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44" (1/1) ... [2023-11-19 02:52:44,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-19 02:52:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-19 02:52:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:52:44,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,038 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 02:52:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 96 transitions. [2023-11-19 02:52:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2023-11-19 02:52:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:52:45,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,376 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 02:52:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 95 transitions. [2023-11-19 02:52:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2023-11-19 02:52:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:45,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:52:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 94 transitions. [2023-11-19 02:52:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2023-11-19 02:52:45,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:52:45,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:52:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 93 transitions. [2023-11-19 02:52:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2023-11-19 02:52:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:52:46,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:52:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 96 transitions. [2023-11-19 02:52:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2023-11-19 02:52:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:46,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:52:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 97 transitions. [2023-11-19 02:52:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-19 02:52:46,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:52:46,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:52:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 97 transitions. [2023-11-19 02:52:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2023-11-19 02:52:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:52:46,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:52:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 103 transitions. [2023-11-19 02:52:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2023-11-19 02:52:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:52:46,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:52:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 104 transitions. [2023-11-19 02:52:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2023-11-19 02:52:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:52:46,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:52:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 106 transitions. [2023-11-19 02:52:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2023-11-19 02:52:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:52:46,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:52:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 111 transitions. [2023-11-19 02:52:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2023-11-19 02:52:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:52:47,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:47,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:52:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 62 states and 109 transitions. [2023-11-19 02:52:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2023-11-19 02:52:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:52:47,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-19 02:52:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 103 transitions. [2023-11-19 02:52:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2023-11-19 02:52:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:52:47,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:47,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:52:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 58 states and 102 transitions. [2023-11-19 02:52:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2023-11-19 02:52:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:52:48,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:48,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-19 02:52:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 58 states and 101 transitions. [2023-11-19 02:52:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2023-11-19 02:52:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:52:48,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:48,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:52:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 52 states and 91 transitions. [2023-11-19 02:52:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2023-11-19 02:52:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:52:48,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:48,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:52:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 52 states and 90 transitions. [2023-11-19 02:52:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2023-11-19 02:52:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:52:49,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:52:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 52 states and 89 transitions. [2023-11-19 02:52:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-19 02:52:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:52:49,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:52:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 54 states and 92 transitions. [2023-11-19 02:52:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2023-11-19 02:52:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:52:49,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:52:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 57 states and 97 transitions. [2023-11-19 02:52:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2023-11-19 02:52:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 02:52:49,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:52:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 57 states and 96 transitions. [2023-11-19 02:52:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2023-11-19 02:52:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 02:52:50,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:52:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 59 states and 99 transitions. [2023-11-19 02:52:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2023-11-19 02:52:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 02:52:51,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 02:52:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 66 states and 114 transitions. [2023-11-19 02:52:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2023-11-19 02:52:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 02:52:52,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 02:52:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 72 states and 129 transitions. [2023-11-19 02:52:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 129 transitions. [2023-11-19 02:52:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 02:52:53,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 02:52:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 73 states and 130 transitions. [2023-11-19 02:52:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2023-11-19 02:52:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:52:53,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-19 02:52:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 77 states and 139 transitions. [2023-11-19 02:52:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 139 transitions. [2023-11-19 02:52:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 02:52:54,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:54,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-19 02:52:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 78 states and 141 transitions. [2023-11-19 02:52:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2023-11-19 02:52:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 02:52:54,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 02:52:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 80 states and 145 transitions. [2023-11-19 02:52:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 145 transitions. [2023-11-19 02:52:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 02:52:55,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:55,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 02:52:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 84 states and 154 transitions. [2023-11-19 02:52:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2023-11-19 02:52:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 02:52:56,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 02:52:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 92 states and 170 transitions. [2023-11-19 02:52:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 170 transitions. [2023-11-19 02:52:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:52:57,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 02:52:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 55 states and 93 transitions. [2023-11-19 02:52:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2023-11-19 02:52:58,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:52:58,966 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2023-11-19 02:52:58,975 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:52:59,235 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:52:59,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:52:59,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:52:59,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:52:59,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:52:59 ImpRootNode [2023-11-19 02:52:59,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:52:59,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:52:59,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:52:59,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:52:59,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44" (3/4) ... [2023-11-19 02:52:59,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:52:59,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:52:59,262 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 02:52:59,263 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 02:52:59,268 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:52:59,268 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:52:59,396 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:52:59,397 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:52:59,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:52:59,398 INFO L158 Benchmark]: Toolchain (without parser) took 16155.84ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 129.0MB in the beginning and 184.9MB in the end (delta: -55.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-19 02:52:59,398 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:59,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.61ms. Allocated memory is still 161.5MB. Free memory was 128.3MB in the beginning and 117.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:52:59,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.86ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 115.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:52:59,400 INFO L158 Benchmark]: Boogie Preprocessor took 30.00ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:59,400 INFO L158 Benchmark]: RCFGBuilder took 648.48ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 117.5MB in the end (delta: -3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:52:59,401 INFO L158 Benchmark]: CodeCheck took 14862.06ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 117.5MB in the beginning and 190.2MB in the end (delta: -72.6MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. [2023-11-19 02:52:59,401 INFO L158 Benchmark]: Witness Printer took 155.35ms. Allocated memory is still 234.9MB. Free memory was 190.2MB in the beginning and 184.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:52:59,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3576 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1143 mSDsluCounter, 4304 SdHoareTripleChecker+Invalid, 11.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1401 mSDsCounter, 2960 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8321 IncrementalHoareTripleChecker+Invalid, 11281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2960 mSolverCounterUnsat, 2903 mSDtfsCounter, 8321 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15344 GetRequests, 14889 SyntacticMatches, 275 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15739 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1969 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1938 ConstructedInterpolants, 0 QuantifiedInterpolants, 3582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 6559/6633 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.61ms. Allocated memory is still 161.5MB. Free memory was 128.3MB in the beginning and 117.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.86ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 115.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.00ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 648.48ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 117.5MB in the end (delta: -3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 14862.06ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 117.5MB in the beginning and 190.2MB in the end (delta: -72.6MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. * Witness Printer took 155.35ms. Allocated memory is still 234.9MB. Free memory was 190.2MB in the beginning and 184.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:52:59,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87676b9-ce34-48a3-ad67-c3f9062d77f9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE