./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:05:26,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:05:26,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:05:26,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:05:26,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:05:26,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:05:26,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:05:26,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:05:26,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:05:26,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:05:26,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:05:26,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:05:26,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:05:26,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:05:26,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:05:26,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:05:26,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:05:26,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:05:26,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:05:26,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:05:26,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:05:26,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:05:26,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:05:26,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:05:26,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:05:26,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:05:26,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:05:26,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:05:26,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:05:26,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:05:26,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:05:26,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:05:26,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:05:26,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:05:26,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:05:26,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:05:26,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:05:26,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:05:26,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:05:26,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:05:26,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:05:26,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:05:26,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:05:26,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:05:26,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:05:26,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:05:26,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:05:26,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:05:26,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:05:26,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:05:26,124 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:05:26,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:05:26,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:05:26,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:05:26,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:05:26,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:05:26,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:05:26,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:05:26,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:05:26,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:05:26,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:05:26,125 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:05:26,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:05:26,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:05:26,126 INFO L138 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_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2022-12-14 22:05:26,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:05:26,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:05:26,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:05:26,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:05:26,341 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:05:26,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-12-14 22:05:28,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:05:29,017 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:05:29,017 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-12-14 22:05:29,023 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/data/4a4d653d7/b18dd0ab87bc40baa80e907a8bf8b021/FLAG5f00081aa [2022-12-14 22:05:29,424 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/data/4a4d653d7/b18dd0ab87bc40baa80e907a8bf8b021 [2022-12-14 22:05:29,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:05:29,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:05:29,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:05:29,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:05:29,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:05:29,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f80d1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29, skipping insertion in model container [2022-12-14 22:05:29,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:05:29,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:05:29,549 WARN L237 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_777ef27c-5926-48a0-ae4a-4162f608fd4d/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-12-14 22:05:29,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:05:29,569 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:05:29,578 WARN L237 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_777ef27c-5926-48a0-ae4a-4162f608fd4d/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-12-14 22:05:29,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:05:29,593 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:05:29,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29 WrapperNode [2022-12-14 22:05:29,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:05:29,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:05:29,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:05:29,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:05:29,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,617 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-12-14 22:05:29,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:05:29,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:05:29,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:05:29,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:05:29,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:05:29,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:05:29,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:05:29,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:05:29,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:05:29,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:05:29,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:05:29,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:05:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:05:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:05:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:05:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:05:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:05:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:05:29,740 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:05:29,742 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:05:29,852 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:05:29,870 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:05:29,870 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:05:29,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:05:29 BoogieIcfgContainer [2022-12-14 22:05:29,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:05:29,873 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:05:29,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:05:29,881 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:05:29,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:05:29" (1/1) ... [2022-12-14 22:05:29,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:05:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-12-14 22:05:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-12-14 22:05:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:05:29,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:29,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2022-12-14 22:05:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-12-14 22:05:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:05:30,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2022-12-14 22:05:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2022-12-14 22:05:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:05:30,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2022-12-14 22:05:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-12-14 22:05:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:05:30,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2022-12-14 22:05:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-12-14 22:05:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:05:30,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2022-12-14 22:05:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2022-12-14 22:05:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:05:30,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2022-12-14 22:05:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-12-14 22:05:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:05:30,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2022-12-14 22:05:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-12-14 22:05:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:05:30,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:30,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2022-12-14 22:05:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-12-14 22:05:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:05:30,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2022-12-14 22:05:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-12-14 22:05:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:05:31,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2022-12-14 22:05:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-12-14 22:05:31,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:05:31,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2022-12-14 22:05:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-12-14 22:05:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:05:31,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2022-12-14 22:05:31,244 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-12-14 22:05:31,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:05:31,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2022-12-14 22:05:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2022-12-14 22:05:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:05:31,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:05:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2022-12-14 22:05:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2022-12-14 22:05:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:05:31,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2022-12-14 22:05:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-12-14 22:05:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:05:31,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2022-12-14 22:05:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-12-14 22:05:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:05:31,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2022-12-14 22:05:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2022-12-14 22:05:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:05:32,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2022-12-14 22:05:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2022-12-14 22:05:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:05:32,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2022-12-14 22:05:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2022-12-14 22:05:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:05:32,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2022-12-14 22:05:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2022-12-14 22:05:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:05:32,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:05:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2022-12-14 22:05:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2022-12-14 22:05:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:05:32,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:05:32,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2022-12-14 22:05:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2022-12-14 22:05:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:05:32,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:05:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2022-12-14 22:05:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2022-12-14 22:05:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:05:32,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 22:05:33,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2022-12-14 22:05:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2022-12-14 22:05:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 22:05:33,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 22:05:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2022-12-14 22:05:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2022-12-14 22:05:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:05:33,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 22:05:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2022-12-14 22:05:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2022-12-14 22:05:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:05:33,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:05:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2022-12-14 22:05:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2022-12-14 22:05:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 22:05:33,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:05:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2022-12-14 22:05:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2022-12-14 22:05:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:05:33,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:05:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2022-12-14 22:05:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2022-12-14 22:05:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:05:33,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 22:05:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2022-12-14 22:05:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2022-12-14 22:05:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:05:33,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:33,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 22:05:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2022-12-14 22:05:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2022-12-14 22:05:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:05:34,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:34,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 22:05:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2022-12-14 22:05:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2022-12-14 22:05:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 22:05:34,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:34,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 22:05:34,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2022-12-14 22:05:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2022-12-14 22:05:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:05:34,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:34,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 22:05:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2022-12-14 22:05:34,979 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2022-12-14 22:05:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:05:34,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:34,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 22:05:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2022-12-14 22:05:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2022-12-14 22:05:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:05:35,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 22:05:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2022-12-14 22:05:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2022-12-14 22:05:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 22:05:35,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 22:05:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2022-12-14 22:05:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2022-12-14 22:05:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 22:05:35,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 22:05:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2022-12-14 22:05:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-12-14 22:05:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 22:05:35,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 22:05:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2022-12-14 22:05:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2022-12-14 22:05:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 22:05:35,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 22:05:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2022-12-14 22:05:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2022-12-14 22:05:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 22:05:35,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 22:05:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 129 states and 229 transitions. [2022-12-14 22:05:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2022-12-14 22:05:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 22:05:35,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 22:05:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 128 states and 226 transitions. [2022-12-14 22:05:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2022-12-14 22:05:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 22:05:35,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:35,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 22:05:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 216 transitions. [2022-12-14 22:05:36,015 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2022-12-14 22:05:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 22:05:36,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 22:05:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 123 states and 217 transitions. [2022-12-14 22:05:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2022-12-14 22:05:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 22:05:36,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 22:05:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 117 states and 208 transitions. [2022-12-14 22:05:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 208 transitions. [2022-12-14 22:05:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 22:05:36,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 22:05:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 91 states and 147 transitions. [2022-12-14 22:05:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-12-14 22:05:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 22:05:36,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 22:05:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 89 states and 144 transitions. [2022-12-14 22:05:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2022-12-14 22:05:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 22:05:36,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 22:05:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 91 states and 148 transitions. [2022-12-14 22:05:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2022-12-14 22:05:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 22:05:36,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 22:05:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 83 states and 136 transitions. [2022-12-14 22:05:36,907 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2022-12-14 22:05:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 22:05:36,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:36,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 22:05:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 82 states and 134 transitions. [2022-12-14 22:05:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2022-12-14 22:05:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 22:05:37,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:37,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-14 22:05:37,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 64 states and 108 transitions. [2022-12-14 22:05:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-12-14 22:05:37,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:05:37,196 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-12-14 22:05:37,202 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:05:37,392 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:05:37,396 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:05:37,396 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:05:37,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:05:37 ImpRootNode [2022-12-14 22:05:37,396 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:05:37,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:05:37,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:05:37,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:05:37,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:05:29" (3/4) ... [2022-12-14 22:05:37,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:05:37,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 22:05:37,406 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 22:05:37,406 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 22:05:37,407 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:05:37,407 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:05:37,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:05:37,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:05:37,436 INFO L158 Benchmark]: Toolchain (without parser) took 8008.92ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.4MB in the beginning and 63.9MB in the end (delta: 38.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,437 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory was 53.3MB in the beginning and 53.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:05:37,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.25ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 91.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.08ms. Allocated memory is still 138.4MB. Free memory was 91.1MB in the beginning and 89.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,438 INFO L158 Benchmark]: Boogie Preprocessor took 14.80ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 88.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,438 INFO L158 Benchmark]: RCFGBuilder took 239.65ms. Allocated memory is still 138.4MB. Free memory was 88.6MB in the beginning and 76.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,438 INFO L158 Benchmark]: CodeCheck took 7523.42ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 76.0MB in the beginning and 67.0MB in the end (delta: 9.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,439 INFO L158 Benchmark]: Witness Printer took 39.21ms. Allocated memory is still 167.8MB. Free memory was 67.0MB in the beginning and 63.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:05:37,441 INFO L339 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11854 SdHoareTripleChecker+Valid, 18.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3938 mSDsluCounter, 9919 SdHoareTripleChecker+Invalid, 15.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4974 mSDsCounter, 5880 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17724 IncrementalHoareTripleChecker+Invalid, 23604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5880 mSolverCounterUnsat, 4945 mSDtfsCounter, 17724 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21613 GetRequests, 21181 SyntacticMatches, 312 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10737 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1790 NumberOfCodeBlocks, 1790 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 3818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 29 PerfectInterpolantSequences, 2020/2175 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]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory was 53.3MB in the beginning and 53.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.25ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 91.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.08ms. Allocated memory is still 138.4MB. Free memory was 91.1MB in the beginning and 89.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.80ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 88.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.65ms. Allocated memory is still 138.4MB. Free memory was 88.6MB in the beginning and 76.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7523.42ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 76.0MB in the beginning and 67.0MB in the end (delta: 9.0MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Witness Printer took 39.21ms. Allocated memory is still 167.8MB. Free memory was 67.0MB in the beginning and 63.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:05:37,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777ef27c-5926-48a0-ae4a-4162f608fd4d/bin/ukojak-rkRKPMF4O4/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