./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI --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 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:54:11,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:11,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:12,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:12,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:12,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:12,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:12,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:12,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:12,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:12,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:12,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:12,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:12,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:12,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:12,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:12,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:12,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:12,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:12,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:12,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:12,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:12,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:12,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:12,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:12,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:12,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:12,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:12,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:12,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:12,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:12,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:12,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:12,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:12,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:12,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:12,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:12,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:12,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:12,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:12,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:12,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:12,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:12,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:12,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:12,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:12,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:12,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:12,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:12,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:12,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:12,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:12,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:12,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:12,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:12,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:12,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:12,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:12,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:12,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:12,113 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:12,113 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:12,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:12,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:12,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:12,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:12,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:12,115 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:12,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:12,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:12,116 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_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2021-10-29 02:54:12,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:12,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:12,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:12,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:12,417 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:12,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-invgen/nested6.i [2021-10-29 02:54:12,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/data/b3b4158a4/02f14e370c7b4abea3be7c2eaf885fce/FLAG59f86db45 [2021-10-29 02:54:12,948 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:12,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/sv-benchmarks/c/loop-invgen/nested6.i [2021-10-29 02:54:12,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/data/b3b4158a4/02f14e370c7b4abea3be7c2eaf885fce/FLAG59f86db45 [2021-10-29 02:54:13,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/data/b3b4158a4/02f14e370c7b4abea3be7c2eaf885fce [2021-10-29 02:54:13,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:13,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:13,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:13,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:13,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:13,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619b6895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13, skipping insertion in model container [2021-10-29 02:54:13,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:13,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:13,520 WARN L228 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_c04a257e-93e0-4ac1-9f08-df6907fb5e68/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-10-29 02:54:13,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:13,542 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:13,555 WARN L228 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_c04a257e-93e0-4ac1-9f08-df6907fb5e68/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-10-29 02:54:13,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:13,574 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:13,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13 WrapperNode [2021-10-29 02:54:13,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:13,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:13,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:13,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:13,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:13,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:13,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:13,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:13,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:13,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:13,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:13,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:13,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:13,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:13,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:13,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 02:54:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 02:54:13,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:13,972 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 02:54:13,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:13 BoogieIcfgContainer [2021-10-29 02:54:13,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:13,976 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:13,976 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:13,988 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:13,988 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:13" (1/1) ... [2021-10-29 02:54:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:54:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-29 02:54:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-29 02:54:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 02:54:14,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:14,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2021-10-29 02:54:14,378 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-10-29 02:54:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 02:54:14,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:14,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2021-10-29 02:54:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-10-29 02:54:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:54:14,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:14,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2021-10-29 02:54:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2021-10-29 02:54:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 02:54:15,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:15,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2021-10-29 02:54:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-10-29 02:54:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:54:15,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:15,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2021-10-29 02:54:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-10-29 02:54:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 02:54:15,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:15,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2021-10-29 02:54:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2021-10-29 02:54:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 02:54:16,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:16,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:54:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2021-10-29 02:54:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-10-29 02:54:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 02:54:16,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:16,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2021-10-29 02:54:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-10-29 02:54:17,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 02:54:17,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:17,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2021-10-29 02:54:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-10-29 02:54:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 02:54:17,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:17,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2021-10-29 02:54:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-10-29 02:54:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:54:18,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:18,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:54:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2021-10-29 02:54:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2021-10-29 02:54:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:54:19,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:19,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2021-10-29 02:54:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-10-29 02:54:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:54:20,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:20,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:20,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:54:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2021-10-29 02:54:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2021-10-29 02:54:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 02:54:20,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:20,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:54:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2021-10-29 02:54:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2021-10-29 02:54:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:54:21,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:21,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:54:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2021-10-29 02:54:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2021-10-29 02:54:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:54:21,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:21,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:54:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2021-10-29 02:54:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2021-10-29 02:54:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:54:21,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:21,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 02:54:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2021-10-29 02:54:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-10-29 02:54:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 02:54:22,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:22,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 02:54:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2021-10-29 02:54:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-10-29 02:54:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 02:54:23,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:23,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-29 02:54:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2021-10-29 02:54:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-10-29 02:54:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:54:23,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:23,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-29 02:54:24,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2021-10-29 02:54:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-10-29 02:54:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:54:24,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:24,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 02:54:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2021-10-29 02:54:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2021-10-29 02:54:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:54:26,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:26,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 02:54:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2021-10-29 02:54:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2021-10-29 02:54:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 02:54:27,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:27,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:54:27,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2021-10-29 02:54:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2021-10-29 02:54:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 02:54:27,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:27,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:54:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2021-10-29 02:54:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2021-10-29 02:54:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 02:54:28,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:28,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-29 02:54:31,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2021-10-29 02:54:31,498 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-10-29 02:54:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 02:54:31,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:31,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-29 02:54:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2021-10-29 02:54:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-10-29 02:54:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 02:54:33,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:33,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-29 02:54:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2021-10-29 02:54:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2021-10-29 02:54:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 02:54:34,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:34,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-29 02:54:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:35,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2021-10-29 02:54:35,028 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2021-10-29 02:54:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-29 02:54:35,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:35,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 02:54:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2021-10-29 02:54:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-10-29 02:54:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 02:54:36,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:36,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-29 02:54:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2021-10-29 02:54:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2021-10-29 02:54:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 02:54:37,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:37,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-29 02:54:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2021-10-29 02:54:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2021-10-29 02:54:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 02:54:38,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:38,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-10-29 02:54:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2021-10-29 02:54:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2021-10-29 02:54:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 02:54:39,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:39,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 02:54:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2021-10-29 02:54:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2021-10-29 02:54:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 02:54:42,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:42,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-10-29 02:54:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2021-10-29 02:54:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-10-29 02:54:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 02:54:45,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:45,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-10-29 02:54:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2021-10-29 02:54:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2021-10-29 02:54:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 02:54:45,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:45,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-29 02:54:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:51,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 144 states and 280 transitions. [2021-10-29 02:54:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 280 transitions. [2021-10-29 02:54:51,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 02:54:51,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:51,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-29 02:54:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 149 states and 290 transitions. [2021-10-29 02:54:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 290 transitions. [2021-10-29 02:54:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 02:54:52,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:52,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-29 02:54:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 157 states and 303 transitions. [2021-10-29 02:54:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 303 transitions. [2021-10-29 02:54:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-29 02:54:54,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:54,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-10-29 02:54:56,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 163 states and 315 transitions. [2021-10-29 02:54:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2021-10-29 02:54:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 02:54:56,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:56,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-10-29 02:54:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 164 states and 315 transitions. [2021-10-29 02:54:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 315 transitions. [2021-10-29 02:54:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-29 02:54:56,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:56,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-10-29 02:54:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 166 states and 318 transitions. [2021-10-29 02:54:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 318 transitions. [2021-10-29 02:54:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-29 02:54:57,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:57,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-10-29 02:54:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 168 states and 326 transitions. [2021-10-29 02:54:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 326 transitions. [2021-10-29 02:54:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 02:54:58,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:58,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-29 02:55:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 174 states and 334 transitions. [2021-10-29 02:55:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 334 transitions. [2021-10-29 02:55:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 02:55:00,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:00,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-29 02:55:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 175 states and 335 transitions. [2021-10-29 02:55:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 335 transitions. [2021-10-29 02:55:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 02:55:00,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:00,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-29 02:55:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 177 states and 337 transitions. [2021-10-29 02:55:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 337 transitions. [2021-10-29 02:55:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 02:55:01,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:01,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-29 02:55:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 175 states and 332 transitions. [2021-10-29 02:55:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 332 transitions. [2021-10-29 02:55:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 02:55:01,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:01,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-29 02:55:02,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:02,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 176 states and 332 transitions. [2021-10-29 02:55:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 332 transitions. [2021-10-29 02:55:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-29 02:55:02,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:02,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-29 02:55:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 179 states and 338 transitions. [2021-10-29 02:55:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 338 transitions. [2021-10-29 02:55:04,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 02:55:04,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:04,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-29 02:55:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 183 states and 345 transitions. [2021-10-29 02:55:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 345 transitions. [2021-10-29 02:55:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-29 02:55:06,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:06,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-29 02:55:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 184 states and 345 transitions. [2021-10-29 02:55:07,752 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 345 transitions. [2021-10-29 02:55:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 02:55:07,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:07,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-29 02:55:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 204 states and 383 transitions. [2021-10-29 02:55:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 383 transitions. [2021-10-29 02:55:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 02:55:15,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:15,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-29 02:55:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 211 states and 395 transitions. [2021-10-29 02:55:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 395 transitions. [2021-10-29 02:55:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 02:55:17,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:17,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-29 02:55:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 212 states and 396 transitions. [2021-10-29 02:55:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 396 transitions. [2021-10-29 02:55:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 02:55:19,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:19,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-10-29 02:55:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 214 states and 406 transitions. [2021-10-29 02:55:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 406 transitions. [2021-10-29 02:55:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-29 02:55:20,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:20,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-29 02:55:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 221 states and 419 transitions. [2021-10-29 02:55:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 419 transitions. [2021-10-29 02:55:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-29 02:55:23,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:23,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-29 02:55:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 224 states and 424 transitions. [2021-10-29 02:55:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 424 transitions. [2021-10-29 02:55:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 02:55:24,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:24,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-10-29 02:55:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 235 states and 454 transitions. [2021-10-29 02:55:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 454 transitions. [2021-10-29 02:55:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 02:55:28,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:28,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-10-29 02:55:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 238 states and 457 transitions. [2021-10-29 02:55:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 457 transitions. [2021-10-29 02:55:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 02:55:30,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:30,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-10-29 02:55:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 242 states and 464 transitions. [2021-10-29 02:55:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 464 transitions. [2021-10-29 02:55:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-29 02:55:32,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:32,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-10-29 02:55:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 246 states and 471 transitions. [2021-10-29 02:55:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 471 transitions. [2021-10-29 02:55:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 02:55:34,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:34,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-10-29 02:55:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 249 states and 477 transitions. [2021-10-29 02:55:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 477 transitions. [2021-10-29 02:55:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-29 02:55:37,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:37,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-10-29 02:55:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 253 states and 483 transitions. [2021-10-29 02:55:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 483 transitions. [2021-10-29 02:55:39,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 02:55:39,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:39,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-29 02:55:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 256 states and 487 transitions. [2021-10-29 02:55:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 487 transitions. [2021-10-29 02:55:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-10-29 02:55:40,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:40,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-29 02:55:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 257 states and 488 transitions. [2021-10-29 02:55:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 488 transitions. [2021-10-29 02:55:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-29 02:55:40,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:40,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-10-29 02:55:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 258 states and 488 transitions. [2021-10-29 02:55:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 488 transitions. [2021-10-29 02:55:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 02:55:41,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:41,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-10-29 02:55:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 279 states and 533 transitions. [2021-10-29 02:55:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 533 transitions. [2021-10-29 02:55:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 02:55:52,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:52,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-10-29 02:55:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 288 states and 546 transitions. [2021-10-29 02:55:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 546 transitions. [2021-10-29 02:55:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 02:55:55,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:55,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-10-29 02:55:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 289 states and 546 transitions. [2021-10-29 02:55:55,811 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 546 transitions. [2021-10-29 02:55:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-29 02:55:55,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:55,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-10-29 02:55:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 236 states and 403 transitions. [2021-10-29 02:55:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 403 transitions. [2021-10-29 02:55:56,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:55:56,568 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 70 iterations. [2021-10-29 02:55:56,575 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:55:57,894 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:57,898 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:57,898 INFO L565 CodeCheckObserver]: Invariant with dag size 27 [2021-10-29 02:55:57,906 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:57,906 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:57,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:55:57 ImpRootNode [2021-10-29 02:55:57,907 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:55:57,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:55:57,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:55:57,908 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:55:57,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:13" (3/4) ... [2021-10-29 02:55:57,911 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:55:57,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 02:55:57,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 02:55:57,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 02:55:57,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:55:57,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:55:57,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:55:57,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:55:57,965 INFO L168 Benchmark]: Toolchain (without parser) took 104649.80 ms. Allocated memory was 115.3 MB in the beginning and 736.1 MB in the end (delta: 620.8 MB). Free memory was 85.6 MB in the beginning and 489.0 MB in the end (delta: -403.3 MB). Peak memory consumption was 216.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,965 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:55:57,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.12 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 85.3 MB in the beginning and 112.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.88 ms. Allocated memory is still 138.4 MB. Free memory was 112.7 MB in the beginning and 111.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,967 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 ms. Allocated memory is still 138.4 MB. Free memory was 111.6 MB in the beginning and 110.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,968 INFO L168 Benchmark]: RCFGBuilder took 341.76 ms. Allocated memory is still 138.4 MB. Free memory was 110.1 MB in the beginning and 99.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,969 INFO L168 Benchmark]: CodeCheck took 103930.96 ms. Allocated memory was 138.4 MB in the beginning and 736.1 MB in the end (delta: 597.7 MB). Free memory was 99.0 MB in the beginning and 492.1 MB in the end (delta: -393.1 MB). Peak memory consumption was 206.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,969 INFO L168 Benchmark]: Witness Printer took 55.73 ms. Allocated memory is still 736.1 MB. Free memory was 492.1 MB in the beginning and 489.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:57,973 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.5s, OverallIterations: 70, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 331782476 SDslu, 1616830656 SDs, 0 SdLazy, 764655032 SolverSat, 6860572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39834 GetRequests, 37673 SyntacticMatches, 1347 SemanticMatches, 814 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459734 ImplicationChecksByTransitivity, 94.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 4543 NumberOfCodeBlocks, 4543 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 4474 ConstructedInterpolants, 0 QuantifiedInterpolants, 11360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 69 InterpolantComputations, 9 PerfectInterpolantSequences, 12451/14326 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((k < 2 * i || (n <= j && !(i == 0))) || j + 1 < k) || (j < 2 * i && i == 0)) || (j <= k && k <= j)) || 2 * i < k) || (k < j && !(i == 0))) || (2 * i <= j && n <= k) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.12 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 85.3 MB in the beginning and 112.7 MB in the end (delta: -27.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.88 ms. Allocated memory is still 138.4 MB. Free memory was 112.7 MB in the beginning and 111.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.28 ms. Allocated memory is still 138.4 MB. Free memory was 111.6 MB in the beginning and 110.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 341.76 ms. Allocated memory is still 138.4 MB. Free memory was 110.1 MB in the beginning and 99.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 103930.96 ms. Allocated memory was 138.4 MB in the beginning and 736.1 MB in the end (delta: 597.7 MB). Free memory was 99.0 MB in the beginning and 492.1 MB in the end (delta: -393.1 MB). Peak memory consumption was 206.7 MB. Max. memory is 16.1 GB. * Witness Printer took 55.73 ms. Allocated memory is still 736.1 MB. Free memory was 492.1 MB in the beginning and 489.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:55:58,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c04a257e-93e0-4ac1-9f08-df6907fb5e68/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...