./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN --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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:35:04,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:35:04,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:35:04,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:35:04,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:35:04,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:35:04,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:35:04,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:35:04,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:35:04,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:35:04,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:35:04,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:35:04,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:35:04,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:35:04,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:35:04,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:35:04,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:35:04,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:35:04,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:35:04,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:35:04,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:35:04,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:35:04,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:35:04,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:35:04,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:35:04,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:35:04,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:35:04,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:35:04,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:35:04,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:35:04,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:35:04,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:35:04,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:35:04,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:35:04,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:35:04,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:35:04,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:35:04,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:35:04,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:35:04,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:35:04,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:35:04,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:35:04,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:35:04,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:35:04,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:35:04,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:35:04,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:35:04,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:35:04,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:35:04,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:35:04,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:35:04,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:35:04,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:35:04,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:35:04,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:35:04,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:35:04,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:35:04,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:35:04,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:35:04,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:35:04,721 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:35:04,721 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:35:04,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:35:04,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:35:04,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:35:04,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:35:04,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:35:04,723 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:35:04,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:35:04,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:35:04,724 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_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2021-11-21 04:35:04,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:35:05,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:35:05,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:35:05,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:35:05,028 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:35:05,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loops/invert_string-3.c [2021-11-21 04:35:05,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/data/7bdcc48b9/137b934e68c049afab55194d766fbbe3/FLAG7b40d0769 [2021-11-21 04:35:05,603 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:35:05,605 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/sv-benchmarks/c/loops/invert_string-3.c [2021-11-21 04:35:05,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/data/7bdcc48b9/137b934e68c049afab55194d766fbbe3/FLAG7b40d0769 [2021-11-21 04:35:05,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/data/7bdcc48b9/137b934e68c049afab55194d766fbbe3 [2021-11-21 04:35:05,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:35:05,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:35:05,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:35:05,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:35:05,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:35:05,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:05" (1/1) ... [2021-11-21 04:35:05,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4414d4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:05, skipping insertion in model container [2021-11-21 04:35:05,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:05" (1/1) ... [2021-11-21 04:35:06,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:35:06,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:35:06,174 WARN L230 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_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-11-21 04:35:06,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:35:06,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:35:06,208 WARN L230 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_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-11-21 04:35:06,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:35:06,229 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:35:06,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06 WrapperNode [2021-11-21 04:35:06,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:35:06,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:35:06,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:35:06,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:35:06,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,265 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-21 04:35:06,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:35:06,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:35:06,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:35:06,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:35:06,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:35:06,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:35:06,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:35:06,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:35:06,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:35:06,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:35:06,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:35:06,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:35:06,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:35:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:35:06,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:35:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:35:06,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:35:06,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:35:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:35:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:35:06,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:35:06,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:35:06,673 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:35:06,703 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:35:06,703 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:35:06,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:06 BoogieIcfgContainer [2021-11-21 04:35:06,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:35:06,706 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:35:06,706 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:35:06,716 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:35:06,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:06" (1/1) ... [2021-11-21 04:35:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:35:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-21 04:35:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-21 04:35:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:35:06,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:06,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-21 04:35:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-21 04:35:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:35:07,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:07,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-21 04:35:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-21 04:35:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:35:07,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:07,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-21 04:35:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-21 04:35:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:35:08,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:08,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-21 04:35:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-21 04:35:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:35:08,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:08,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-21 04:35:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-21 04:35:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:35:09,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:09,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:35:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-21 04:35:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-21 04:35:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:35:09,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:09,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-21 04:35:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-21 04:35:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:35:11,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:11,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-21 04:35:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-21 04:35:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:35:12,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:12,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-21 04:35:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-21 04:35:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:35:13,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:13,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2021-11-21 04:35:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-11-21 04:35:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:35:13,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:13,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-21 04:35:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-21 04:35:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:35:14,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:14,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-21 04:35:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-21 04:35:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:35:20,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:20,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-11-21 04:35:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-11-21 04:35:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:35:21,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:21,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-11-21 04:35:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-21 04:35:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:35:22,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:22,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:35:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-21 04:35:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-21 04:35:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:35:22,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:22,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-11-21 04:35:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-11-21 04:35:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:35:26,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:26,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2021-11-21 04:35:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2021-11-21 04:35:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:35:28,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:28,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-21 04:35:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-21 04:35:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:35:34,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:34,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-21 04:35:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 04:35:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:35:35,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:35,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:35:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2021-11-21 04:35:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2021-11-21 04:35:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:35:44,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:44,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:35:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2021-11-21 04:35:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2021-11-21 04:35:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:35:57,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:57,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:36:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2021-11-21 04:36:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2021-11-21 04:36:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:36:17,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:17,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:32,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 71 states and 130 transitions. [2021-11-21 04:36:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 130 transitions. [2021-11-21 04:36:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:36:32,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:32,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2021-11-21 04:36:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-11-21 04:36:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:36:33,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:33,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 135 transitions. [2021-11-21 04:36:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2021-11-21 04:36:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:36:34,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:34,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 74 states and 138 transitions. [2021-11-21 04:36:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 138 transitions. [2021-11-21 04:36:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:36:35,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:35,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2021-11-21 04:36:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2021-11-21 04:36:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:36:36,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:36,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 78 states and 150 transitions. [2021-11-21 04:36:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2021-11-21 04:36:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:36:43,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:43,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 152 transitions. [2021-11-21 04:36:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 152 transitions. [2021-11-21 04:36:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:36:44,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:44,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-21 04:36:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-21 04:36:45,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:36:45,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:45,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 81 states and 154 transitions. [2021-11-21 04:36:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 154 transitions. [2021-11-21 04:36:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:36:47,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:47,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 82 states and 156 transitions. [2021-11-21 04:36:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2021-11-21 04:36:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:36:48,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:48,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:36:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 84 states and 159 transitions. [2021-11-21 04:36:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2021-11-21 04:36:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 04:36:56,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:56,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:37:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 86 states and 162 transitions. [2021-11-21 04:37:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 162 transitions. [2021-11-21 04:37:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:37:07,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:07,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:37:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 88 states and 165 transitions. [2021-11-21 04:37:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 165 transitions. [2021-11-21 04:37:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 04:37:22,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:22,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:22,949 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 04:37:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2021-11-21 04:37:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2021-11-21 04:37:39,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 04:37:39,791 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2021-11-21 04:37:39,798 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-21 04:37:41,411 INFO L560 CodeCheckObserver]: Invariant with dag size 113 [2021-11-21 04:37:41,462 INFO L560 CodeCheckObserver]: Invariant with dag size 119 [2021-11-21 04:37:41,477 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-21 04:37:41,478 INFO L560 CodeCheckObserver]: Invariant with dag size 108 [2021-11-21 04:37:41,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:37:41 ImpRootNode [2021-11-21 04:37:41,485 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:37:41,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:37:41,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:37:41,486 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:37:41,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:06" (3/4) ... [2021-11-21 04:37:41,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 04:37:41,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-21 04:37:41,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-21 04:37:41,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 04:37:41,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 04:37:41,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:37:41,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:37:41,551 INFO L158 Benchmark]: Toolchain (without parser) took 155562.67ms. Allocated memory was 109.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 79.0MB in the beginning and 763.2MB in the end (delta: -684.1MB). Peak memory consumption was 455.2MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,552 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:37:41,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.59ms. Allocated memory is still 109.1MB. Free memory was 78.8MB in the beginning and 83.5MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,553 INFO L158 Benchmark]: Boogie Preprocessor took 24.19ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,554 INFO L158 Benchmark]: RCFGBuilder took 413.92ms. Allocated memory is still 109.1MB. Free memory was 80.5MB in the beginning and 69.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,554 INFO L158 Benchmark]: CodeCheck took 154779.17ms. Allocated memory was 109.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 69.0MB in the beginning and 767.4MB in the end (delta: -698.4MB). Peak memory consumption was 443.9MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,555 INFO L158 Benchmark]: Witness Printer took 64.50ms. Allocated memory is still 1.2GB. Free memory was 767.4MB in the beginning and 763.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 04:37:41,557 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 153.1s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2139 SdHoareTripleChecker+Valid, 39.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1620 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 34.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17213 IncrementalHoareTripleChecker+Invalid, 23982 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6769 mSolverCounterUnsat, 144 mSDtfsCounter, 17213 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7882 GetRequests, 6544 SyntacticMatches, 530 SemanticMatches, 808 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353464 ImplicationChecksByTransitivity, 142.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 13958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 2 PerfectInterpolantSequences, 708/1887 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: 7]: 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: 5]: Loop Invariant Derived loop invariant: ((((((((((((((4294967297 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 3 <= j + str2) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1] == unknown-#memory_int-unknown[str1][3]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967292 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][2]) && j <= 3) && str2 == 0) && !(str2 == str1)) && 4294967292 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967297) && str1 == 0) || (((((!(((((((3 <= j && 1 <= i) && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && i <= 1) && str1 == 0) && i + 1 <= max) && !(((((((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3] && i <= 2) && 2 <= j) && str2 == 0) && 2 <= i) && !(str2 == str1)) && j <= 2) && str1 == 0)) && max <= 2147483647 + 4294967296 * (max / 4294967296)) && max <= i + 1) && !((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && i == 0) && j <= 4) && str2 == 0) && !(str2 == str1)) && 4 <= j) && str1 == 0))) || (((((((((4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1] == unknown-#memory_int-unknown[str1][3]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967298) && 2 <= j) && str2 == 0) && max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) == max + 4294967295) && !(str2 == str1)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && str1 == 0)) || (((((((((((unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1] == unknown-#memory_int-unknown[str1][3] && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][2]) && 4294967296 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && str2 == 0) && 4294967291 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967296) && !(str2 == str1)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && str1 == 0) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][3] == unknown-#memory_int-unknown[str1][1]) && max + 4294967295 + str1 == i + j + 4294967296 * ((max + 4294967295) / 4294967296) + str2)) || (((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && max <= 2 + i) && 1 <= j) && str2 == 0) && !(str2 == str1)) && 2 + i <= max) && max <= 2147483647 + 4294967296 * (max / 4294967296)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((i <= max && i + str1 <= 2) && 2 <= i) && !((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3] && 2 <= j) && j <= 2)) && str1 == 0) && max <= i) || (((((i <= max && i + str1 <= 3) && !((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 1 <= j)) && str1 == 0) && max <= i) && 2 < i + str1)) || (((((((i + str1 == 1 && i + 1 <= max) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !((3 <= j && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2])) && max <= i + 1) && str1 == 0)) || ((((((((i + 1 <= max && str2 == 0) && !(str2 == str1)) && i + str1 <= 3) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && 1 <= j)) && max <= i + 1) && str1 == 0) && 2 < i + str1)) || (((i / 4294967296 < max / 4294967296 + 1 && !((str2 == 0 && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2])) && max <= 2147483647 + 4294967296 * (max / 4294967296)) && max <= i)) || (((((((((((3 <= j && i + 4 <= max) && unknown-#memory_int-unknown[str1][3 + i + str1] == unknown-#memory_int-unknown[str2][0]) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && i + str1 == 1) && str2 == 0) && max <= i + 4) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && str1 == 0)) || ((((((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && max <= 2 + i) && 1 <= j) && str2 == 0) && !(str2 == str1)) && i + str1 <= 3) && 2 + i <= max) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && str1 == 0) && 2 < i + str1)) || (((((((((!((i + str1 <= 2 && 2 <= i) && str1 == 0) && !(i + str1 == 1 && str1 == 0)) && i + 1 <= max) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !((i + str1 <= 3 && str1 == 0) && 2 < i + str1)) && max <= 2147483647 + 4294967296 * (max / 4294967296)) && !(i == 0 && str1 == 0)) && max <= i + 1)) || ((((((!((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && j <= 4) && 4 <= j) && i == 0) && i + 1 <= max) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && max <= i + 1)) || (((((((((((max <= 3 + i && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str1][2 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 2 <= j) && str2 == 0) && i + str1 <= 2) && 2 <= i) && !(str2 == str1)) && j <= 2) && 3 + i <= max) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && str1 == 0)) || (((((!((i + str1 <= 2 && 2 <= i) && str1 == 0) && i <= max) && !(i + str1 == 1 && str1 == 0)) && !((i + str1 <= 3 && str1 == 0) && 2 < i + str1)) && max <= 2147483647 + 4294967296 * (max / 4294967296)) && max <= i)) || ((((((((i + 1 <= max && str2 == 0) && i + str1 <= 2) && 2 <= i) && !(str2 == str1)) && !((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3] && 2 <= j) && j <= 2)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && max <= i + 1) && str1 == 0)) || ((((((((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && max <= 5) && i == 0) && j <= 4) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && 5 <= max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && 4 <= j) && str1 == 0)) || ((((i <= max && i + str1 == 1) && !((3 <= j && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2])) && str1 == 0) && max <= i) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((max <= 5 && 5 <= max) && str2 == 0) && !(str2 == str1)) && str1 == 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((((((((((4294967297 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && 3 <= j + str2) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1] == unknown-#memory_int-unknown[str1][3]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967292 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][2]) && j <= 3) && str2 == 0) && !(str2 == str1)) && 4294967292 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967297) && str1 == 0) || ((((((((i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967299 && 4294967299 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && str2 == 0) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) == max + 4294967295) && !(str2 == str1)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && str1 == 0) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= max + 4294967294) && max + 4294967294 <= i + 4294967296 * ((max + 4294967295) / 4294967296))) || (((((((((4294967298 <= i + 4294967296 * ((max + 4294967295) / 4294967296) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1] == unknown-#memory_int-unknown[str1][3]) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967298) && 2 <= j) && str2 == 0) && max + 4294967293 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && i + j + 4294967296 * ((max + 4294967295) / 4294967296) == max + 4294967295) && !(str2 == str1)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && str1 == 0)) || (((((((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && unknown-#memory_int-unknown[str2][(max + 4294967295) / 4294967296 * -4294967296 + max + 4294967295 + str1] == unknown-#memory_int-unknown[str1][0]) && 4294967290 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && 0 < (max + 4294967295) / 4294967296) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967295) && 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967291 + max) && str1 == 0)) || (((((((((((unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][1] == unknown-#memory_int-unknown[str1][3] && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][2]) && 4294967296 <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && str2 == 0) && 4294967291 + max <= i + 4294967296 * ((max + 4294967295) / 4294967296)) && i + 4294967296 * ((max + 4294967295) / 4294967296) <= 4294967296) && !(str2 == str1)) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][0] == unknown-#memory_int-unknown[str1][4 + str1]) && str1 == 0) && unknown-#memory_int-unknown[str2][j + str2 := unknown-#memory_int-unknown[str1][i + str1]][3] == unknown-#memory_int-unknown[str1][1]) && max + 4294967295 + str1 == i + j + 4294967296 * ((max + 4294967295) / 4294967296) + str2)) || ((((((max <= 5 && max + 4294967295 == i + 4294967296 * ((max + 4294967295) / 4294967296)) && 5 <= max) && str2 == 0) && !(str2 == str1)) && j == 0) && str1 == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.59ms. Allocated memory is still 109.1MB. Free memory was 78.8MB in the beginning and 83.5MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 81.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.19ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.92ms. Allocated memory is still 109.1MB. Free memory was 80.5MB in the beginning and 69.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 154779.17ms. Allocated memory was 109.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 69.0MB in the beginning and 767.4MB in the end (delta: -698.4MB). Peak memory consumption was 443.9MB. Max. memory is 16.1GB. * Witness Printer took 64.50ms. Allocated memory is still 1.2GB. Free memory was 767.4MB in the beginning and 763.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 04:37:41,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11d451a-e8ac-4aac-b1bb-43ff7c78940d/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE