./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e --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 32bit --witnessprinter.graph.data.programhash 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:57:40,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:57:40,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:57:40,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:57:40,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:57:40,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:57:40,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:57:40,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:57:40,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:57:40,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:57:40,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:57:40,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:57:40,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:57:40,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:57:40,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:57:40,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:57:40,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:57:40,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:57:40,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:57:40,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:57:40,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:57:40,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:57:40,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:57:40,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:57:40,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:57:40,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:57:40,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:57:40,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:57:40,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:57:40,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:57:40,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:57:40,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:57:40,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:57:40,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:57:40,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:57:40,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:57:40,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:57:40,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:57:40,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:57:40,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:57:40,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:57:40,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 21:57:40,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:57:40,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:57:40,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:57:40,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:57:40,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:57:40,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:57:40,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:57:40,282 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:57:40,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:57:40,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:57:40,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:57:40,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:57:40,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:57:40,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:57:40,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:57:40,289 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:57:40,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:57:40,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:57:40,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:57:40,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:57:40,291 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:57:40,291 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:57:40,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:57:40,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:40,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:57:40,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:57:40,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:57:40,293 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:57:40,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:57:40,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:57:40,294 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_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94599b38b669e42115f92cee257d9ed4ed5d4777dca7d2ee690bacb4e0d226f0 [2021-11-13 21:57:40,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:57:40,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:57:40,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:57:40,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:57:40,744 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:57:40,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2021-11-13 21:57:40,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/data/d752b437d/5622ae4466d24aa6bf88c67ddb68ef76/FLAGebd4df3ad [2021-11-13 21:57:41,678 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:57:41,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i [2021-11-13 21:57:41,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/data/d752b437d/5622ae4466d24aa6bf88c67ddb68ef76/FLAGebd4df3ad [2021-11-13 21:57:41,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/data/d752b437d/5622ae4466d24aa6bf88c67ddb68ef76 [2021-11-13 21:57:41,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:57:41,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:57:41,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:41,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:57:41,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:57:41,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:41" (1/1) ... [2021-11-13 21:57:41,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782b6bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:41, skipping insertion in model container [2021-11-13 21:57:41,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:41" (1/1) ... [2021-11-13 21:57:41,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:57:41,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:57:42,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[33021,33034] [2021-11-13 21:57:42,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[49681,49694] [2021-11-13 21:57:42,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:42,813 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:57:42,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[33021,33034] [2021-11-13 21:57:42,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-3.i[49681,49694] [2021-11-13 21:57:42,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:43,050 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:57:43,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43 WrapperNode [2021-11-13 21:57:43,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:43,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:43,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:57:43,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:57:43,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:43,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:57:43,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:57:43,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:57:43,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:57:43,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:57:43,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:57:43,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:57:43,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:43,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:57:43,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:57:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:57:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:57:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 21:57:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 21:57:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:57:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 21:57:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 21:57:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 21:57:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 21:57:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:57:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 21:57:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 21:57:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:57:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:57:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:57:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:57:49,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:57:49,088 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-13 21:57:49,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:49 BoogieIcfgContainer [2021-11-13 21:57:49,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:57:49,093 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:57:49,093 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:57:49,105 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:57:49,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:49" (1/1) ... [2021-11-13 21:57:49,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:57:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 190 states and 326 transitions. [2021-11-13 21:57:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 326 transitions. [2021-11-13 21:57:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:57:49,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:49,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:49,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:49,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 192 states and 329 transitions. [2021-11-13 21:57:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 329 transitions. [2021-11-13 21:57:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:57:49,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:49,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:49,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:49,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 191 states and 328 transitions. [2021-11-13 21:57:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 328 transitions. [2021-11-13 21:57:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:57:49,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:49,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:49,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:49,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 191 states and 324 transitions. [2021-11-13 21:57:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 324 transitions. [2021-11-13 21:57:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:57:49,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:49,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:50,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:50,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 191 states and 316 transitions. [2021-11-13 21:57:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 316 transitions. [2021-11-13 21:57:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:57:50,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:50,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:50,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:50,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 191 states and 304 transitions. [2021-11-13 21:57:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 304 transitions. [2021-11-13 21:57:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 21:57:50,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:50,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:50,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:50,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 191 states and 292 transitions. [2021-11-13 21:57:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 292 transitions. [2021-11-13 21:57:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:57:50,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:50,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:50,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:51,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 236 states and 348 transitions. [2021-11-13 21:57:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 348 transitions. [2021-11-13 21:57:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:57:51,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:51,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:51,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:51,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 236 states and 346 transitions. [2021-11-13 21:57:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 346 transitions. [2021-11-13 21:57:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 21:57:52,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:52,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:52,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:52,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 236 states and 344 transitions. [2021-11-13 21:57:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 344 transitions. [2021-11-13 21:57:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 21:57:52,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:52,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:52,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:52,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 282 states and 402 transitions. [2021-11-13 21:57:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 402 transitions. [2021-11-13 21:57:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:57:53,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:53,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:53,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:53,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 282 states and 400 transitions. [2021-11-13 21:57:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 400 transitions. [2021-11-13 21:57:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 21:57:53,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:53,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:53,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:53,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:53,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 282 states and 398 transitions. [2021-11-13 21:57:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 398 transitions. [2021-11-13 21:57:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:57:53,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:53,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:54,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:57:54,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 316 states and 440 transitions. [2021-11-13 21:57:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 440 transitions. [2021-11-13 21:57:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:57:54,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:54,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:54,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:54,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 316 states and 438 transitions. [2021-11-13 21:57:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 438 transitions. [2021-11-13 21:57:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:57:54,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:54,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:55,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:55,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 316 states and 436 transitions. [2021-11-13 21:57:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 436 transitions. [2021-11-13 21:57:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:57:55,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:55,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:55,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:55,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 316 states and 434 transitions. [2021-11-13 21:57:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2021-11-13 21:57:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:57:55,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:55,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:55,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:55,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 319 states and 436 transitions. [2021-11-13 21:57:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 436 transitions. [2021-11-13 21:57:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:57:56,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:56,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:56,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:56,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 322 states and 438 transitions. [2021-11-13 21:57:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 438 transitions. [2021-11-13 21:57:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:57:56,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:56,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:56,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:56,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 325 states and 440 transitions. [2021-11-13 21:57:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 440 transitions. [2021-11-13 21:57:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:57:56,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:56,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:56,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:56,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 328 states and 442 transitions. [2021-11-13 21:57:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 442 transitions. [2021-11-13 21:57:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:57:57,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:57,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:57,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:57:57,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 331 states and 444 transitions. [2021-11-13 21:57:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 444 transitions. [2021-11-13 21:57:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 21:57:57,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:57,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:57,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:57:57,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:57:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 334 states and 446 transitions. [2021-11-13 21:57:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2021-11-13 21:57:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 21:57:58,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:58,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:58,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:57:58,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 334 states and 445 transitions. [2021-11-13 21:57:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2021-11-13 21:57:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 21:57:58,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:58,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:58,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:58,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 343 states and 456 transitions. [2021-11-13 21:57:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 456 transitions. [2021-11-13 21:57:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 21:57:59,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:59,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:59,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:59,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:57:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 352 states and 466 transitions. [2021-11-13 21:57:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 466 transitions. [2021-11-13 21:57:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 21:57:59,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:59,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:59,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:57:59,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:57:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:57:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 361 states and 476 transitions. [2021-11-13 21:57:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 476 transitions. [2021-11-13 21:57:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 21:57:59,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:59,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:00,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:58:00,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 370 states and 487 transitions. [2021-11-13 21:58:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 487 transitions. [2021-11-13 21:58:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 21:58:00,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:00,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:58:01,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 379 states and 497 transitions. [2021-11-13 21:58:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 497 transitions. [2021-11-13 21:58:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 21:58:01,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:01,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:58:01,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 388 states and 507 transitions. [2021-11-13 21:58:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2021-11-13 21:58:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 21:58:01,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:01,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:01,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:01,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 397 states and 518 transitions. [2021-11-13 21:58:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 518 transitions. [2021-11-13 21:58:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 21:58:02,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:02,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:02,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:58:02,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:58:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 398 states and 520 transitions. [2021-11-13 21:58:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 520 transitions. [2021-11-13 21:58:04,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 21:58:04,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:04,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:04,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:04,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 411 states and 535 transitions. [2021-11-13 21:58:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 535 transitions. [2021-11-13 21:58:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 21:58:04,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:04,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:04,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:04,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 420 states and 545 transitions. [2021-11-13 21:58:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 545 transitions. [2021-11-13 21:58:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 21:58:05,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:05,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:05,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:05,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 423 states and 547 transitions. [2021-11-13 21:58:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 547 transitions. [2021-11-13 21:58:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:58:05,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:05,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:06,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 21:58:06,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 423 states and 547 transitions. [2021-11-13 21:58:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 547 transitions. [2021-11-13 21:58:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:58:07,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:07,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:07,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 21:58:07,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:58:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 425 states and 555 transitions. [2021-11-13 21:58:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 555 transitions. [2021-11-13 21:58:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 21:58:08,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:08,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:08,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:58:08,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:58:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 426 states and 557 transitions. [2021-11-13 21:58:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 557 transitions. [2021-11-13 21:58:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:58:09,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:09,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:10,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 21:58:10,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 21:58:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 428 states and 561 transitions. [2021-11-13 21:58:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 561 transitions. [2021-11-13 21:58:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 21:58:10,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:10,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:11,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:11,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 21:58:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 429 states and 563 transitions. [2021-11-13 21:58:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 563 transitions. [2021-11-13 21:58:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 21:58:12,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:12,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:13,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:58:13,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 21:58:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 429 states and 561 transitions. [2021-11-13 21:58:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 561 transitions. [2021-11-13 21:58:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 21:58:13,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:13,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:13,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 21:58:13,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 21:58:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 432 states and 563 transitions. [2021-11-13 21:58:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 563 transitions. [2021-11-13 21:58:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 21:58:15,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:15,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-13 21:58:25,758 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 21:58:25,762 INFO L158 Benchmark]: Toolchain (without parser) took 43964.18ms. Allocated memory was 115.3MB in the beginning and 318.8MB in the end (delta: 203.4MB). Free memory was 75.4MB in the beginning and 181.3MB in the end (delta: -105.9MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2021-11-13 21:58:25,763 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:58:25,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.44ms. Allocated memory is still 115.3MB. Free memory was 75.1MB in the beginning and 57.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 21:58:25,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.17ms. Allocated memory is still 115.3MB. Free memory was 57.6MB in the beginning and 47.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 21:58:25,766 INFO L158 Benchmark]: Boogie Preprocessor took 268.47ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 47.6MB in the beginning and 122.6MB in the end (delta: -75.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 21:58:25,766 INFO L158 Benchmark]: RCFGBuilder took 5560.01ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 88.1MB in the end (delta: 33.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2021-11-13 21:58:25,767 INFO L158 Benchmark]: CodeCheck took 36667.83ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 88.1MB in the beginning and 181.3MB in the end (delta: -93.1MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2021-11-13 21:58:25,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.44ms. Allocated memory is still 115.3MB. Free memory was 75.1MB in the beginning and 57.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.17ms. Allocated memory is still 115.3MB. Free memory was 57.6MB in the beginning and 47.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 268.47ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 47.6MB in the beginning and 122.6MB in the end (delta: -75.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5560.01ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 88.1MB in the end (delta: 33.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * CodeCheck took 36667.83ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 88.1MB in the beginning and 181.3MB in the end (delta: -93.1MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:58:25,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75f5bec8-d086-4318-8d19-4a77d02ec1d3/bin/ukojak-2xVlg8857e/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown