./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ff697c57265298ce2261966fa58c440777fc865 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 05:05:45,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:05:45,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:05:45,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:05:45,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:05:45,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:05:45,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:05:45,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:05:45,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:05:45,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:05:45,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:05:45,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:05:45,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:05:45,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:05:45,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:05:45,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:05:45,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:05:45,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:05:45,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:05:45,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:05:45,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:05:45,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:05:45,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:05:45,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:05:45,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:05:45,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:05:45,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:05:45,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:05:45,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:05:45,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:05:45,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:05:45,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:05:45,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:05:45,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:05:45,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:05:45,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:05:45,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:05:45,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:05:45,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:05:45,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:05:45,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:05:45,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 05:05:45,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:05:45,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:05:45,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 05:05:45,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 05:05:45,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:05:45,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:05:45,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:05:45,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 05:05:45,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:05:45,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:05:45,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 05:05:45,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:05:45,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 05:05:45,187 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 05:05:45,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 05:05:45,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:05:45,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 05:05:45,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:05:45,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:05:45,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:05:45,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:05:45,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:05:45,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:05:45,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 05:05:45,190 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:05:45,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:05:45,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 05:05:45,191 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_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff697c57265298ce2261966fa58c440777fc865 [2021-10-13 05:05:45,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:05:45,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:05:45,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:05:45,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:05:45,624 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:05:45,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-10-13 05:05:45,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/data/83849981e/0e6fc8aa739940c38955776c82b382c6/FLAGb48a36094 [2021-10-13 05:05:46,342 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:05:46,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2021-10-13 05:05:46,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/data/83849981e/0e6fc8aa739940c38955776c82b382c6/FLAGb48a36094 [2021-10-13 05:05:46,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/data/83849981e/0e6fc8aa739940c38955776c82b382c6 [2021-10-13 05:05:46,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:05:46,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:05:46,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:05:46,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:05:46,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:05:46,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:05:46" (1/1) ... [2021-10-13 05:05:46,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ba10c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:46, skipping insertion in model container [2021-10-13 05:05:46,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:05:46" (1/1) ... [2021-10-13 05:05:46,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:05:46,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:05:47,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:05:47,047 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:05:47,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:05:47,099 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:05:47,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47 WrapperNode [2021-10-13 05:05:47,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:05:47,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:05:47,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:05:47,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:05:47,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:05:47,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:05:47,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:05:47,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:05:47,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:05:47,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:05:47,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:05:47,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:05:47,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:05:47,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:05:47,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:05:47,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:05:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-10-13 05:05:47,319 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-10-13 05:05:47,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:05:47,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:05:47,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:05:47,905 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 05:05:47,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:05:47 BoogieIcfgContainer [2021-10-13 05:05:47,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:05:47,910 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:05:47,910 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:05:47,923 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:05:47,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:05:47" (1/1) ... [2021-10-13 05:05:47,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:05:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-10-13 05:05:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-10-13 05:05:47,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 05:05:47,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:47,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-10-13 05:05:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-10-13 05:05:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 05:05:48,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:48,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-10-13 05:05:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-10-13 05:05:48,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 05:05:48,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:48,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:48,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2021-10-13 05:05:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 05:05:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 05:05:48,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:48,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2021-10-13 05:05:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2021-10-13 05:05:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 05:05:48,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:48,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:48,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-10-13 05:05:48,878 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-10-13 05:05:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 05:05:48,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:48,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2021-10-13 05:05:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-10-13 05:05:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 05:05:49,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2021-10-13 05:05:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2021-10-13 05:05:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 05:05:49,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2021-10-13 05:05:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-10-13 05:05:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 05:05:49,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2021-10-13 05:05:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2021-10-13 05:05:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 05:05:49,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 106 transitions. [2021-10-13 05:05:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2021-10-13 05:05:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 05:05:49,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 99 transitions. [2021-10-13 05:05:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-10-13 05:05:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 05:05:49,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2021-10-13 05:05:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2021-10-13 05:05:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 05:05:49,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2021-10-13 05:05:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2021-10-13 05:05:49,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 05:05:49,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:49,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2021-10-13 05:05:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2021-10-13 05:05:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 05:05:50,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2021-10-13 05:05:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2021-10-13 05:05:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 92 states and 162 transitions. [2021-10-13 05:05:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 162 transitions. [2021-10-13 05:05:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 94 states and 164 transitions. [2021-10-13 05:05:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 164 transitions. [2021-10-13 05:05:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 96 states and 170 transitions. [2021-10-13 05:05:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2021-10-13 05:05:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 98 states and 172 transitions. [2021-10-13 05:05:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 172 transitions. [2021-10-13 05:05:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 100 states and 178 transitions. [2021-10-13 05:05:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 178 transitions. [2021-10-13 05:05:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 102 states and 180 transitions. [2021-10-13 05:05:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 180 transitions. [2021-10-13 05:05:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 104 states and 186 transitions. [2021-10-13 05:05:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 186 transitions. [2021-10-13 05:05:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:50,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 106 states and 188 transitions. [2021-10-13 05:05:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 188 transitions. [2021-10-13 05:05:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 05:05:50,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:50,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 109 states and 202 transitions. [2021-10-13 05:05:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2021-10-13 05:05:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 05:05:51,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:51,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:05:51,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:51,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 109 states and 201 transitions. [2021-10-13 05:05:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 201 transitions. [2021-10-13 05:05:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:51,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:51,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:05:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 05:05:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:05:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 111 states and 202 transitions. [2021-10-13 05:05:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 202 transitions. [2021-10-13 05:05:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:05:51,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:05:51,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:05:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:05:51,898 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 05:05:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:05:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:05:51,936 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 05:05:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 05:05:51,967 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2021-10-13 05:05:52,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:05:52 ImpRootNode [2021-10-13 05:05:52,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:05:52,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:05:52,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:05:52,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:05:52,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:05:47" (3/4) ... [2021-10-13 05:05:52,005 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 05:05:52,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:05:52,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:05:52,098 INFO L168 Benchmark]: Toolchain (without parser) took 5391.81 ms. Allocated memory was 79.7 MB in the beginning and 142.6 MB in the end (delta: 62.9 MB). Free memory was 43.9 MB in the beginning and 84.0 MB in the end (delta: -40.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-13 05:05:52,099 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 79.7 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:05:52,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.54 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 43.7 MB in the beginning and 82.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-13 05:05:52,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 80.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:05:52,102 INFO L168 Benchmark]: Boogie Preprocessor took 58.06 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 80.0 MB in the end (delta: 883.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:05:52,103 INFO L168 Benchmark]: RCFGBuilder took 697.35 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 05:05:52,104 INFO L168 Benchmark]: CodeCheck took 4091.71 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 62.9 MB in the beginning and 85.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-13 05:05:52,105 INFO L168 Benchmark]: Witness Printer took 93.59 ms. Allocated memory is still 142.6 MB. Free memory was 85.1 MB in the beginning and 84.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:05:52,111 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4019.9ms, OverallIterations: 27, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 829693920 SDtfs, 950383906 SDslu, 1450666504 SDs, 0 SdLazy, 803229932 SolverSat, 202665982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4584.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 3792 SyntacticMatches, 246 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 1934.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 47.1ms SsaConstructionTime, 275.1ms SatisfiabilityAnalysisTime, 860.4ms InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 1/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 [L80] COND TRUE x > 0 [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 79.7 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.54 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 43.7 MB in the beginning and 82.5 MB in the end (delta: -38.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 80.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.06 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 80.0 MB in the end (delta: 883.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 697.35 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 62.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 4091.71 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 62.9 MB in the beginning and 85.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * Witness Printer took 93.59 ms. Allocated memory is still 142.6 MB. Free memory was 85.1 MB in the beginning and 84.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 05:05:52,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d17ea47-fe14-402f-8c52-b7e41c5f3462/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...