./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN --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 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:29:40,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:29:40,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:29:40,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:29:40,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:29:40,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:29:40,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:29:40,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:29:40,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:29:40,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:29:40,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:29:40,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:29:40,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:29:40,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:29:40,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:29:40,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:29:40,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:29:40,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:29:40,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:29:40,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:29:40,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:29:40,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:29:40,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:29:40,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:29:40,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:29:40,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:29:40,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:29:40,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:29:40,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:29:40,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:29:40,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:29:40,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:29:40,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:29:40,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:29:40,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:29:40,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:29:40,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:29:40,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:29:40,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:29:40,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:29:40,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:29:40,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:29:40,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:29:40,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:29:40,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:29:40,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:29:40,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:29:40,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:29:40,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:29:40,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:29:40,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:29:40,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:29:40,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:29:40,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:29:40,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:29:40,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:29:40,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:29:40,249 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:29:40,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:29:40,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:29:40,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:29:40,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:29:40,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:29:40,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:29:40,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:29:40,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:40,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:29:40,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:29:40,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:29:40,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:29:40,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:29:40,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:29:40,252 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_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2021-11-21 05:29:40,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:29:40,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:29:40,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:29:40,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:29:40,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:29:40,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2021-11-21 05:29:40,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/data/2e257b97c/af62eae4fd0547dd816b591e4399647c/FLAG3f24bc258 [2021-11-21 05:29:41,233 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:29:41,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2021-11-21 05:29:41,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/data/2e257b97c/af62eae4fd0547dd816b591e4399647c/FLAG3f24bc258 [2021-11-21 05:29:41,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/data/2e257b97c/af62eae4fd0547dd816b591e4399647c [2021-11-21 05:29:41,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:29:41,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:29:41,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:41,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:29:41,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:29:41,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:41" (1/1) ... [2021-11-21 05:29:41,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0fe869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:41, skipping insertion in model container [2021-11-21 05:29:41,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:41" (1/1) ... [2021-11-21 05:29:41,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:29:41,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:29:42,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2021-11-21 05:29:42,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:29:42,137 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:29:42,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2021-11-21 05:29:42,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:29:42,269 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:29:42,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42 WrapperNode [2021-11-21 05:29:42,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:42,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:29:42,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:29:42,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:29:42,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,388 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-21 05:29:42,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:29:42,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:29:42,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:29:42,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:29:42,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:29:42,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:29:42,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:29:42,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:29:42,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:42" (1/1) ... [2021-11-21 05:29:42,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:29:42,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:29:42,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:29:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:29:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:29:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:29:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:29:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:29:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:29:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:29:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:29:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:29:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:29:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:29:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:29:42,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:29:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:29:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:29:42,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:29:42,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:29:43,736 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:29:44,038 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:29:44,038 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-21 05:29:44,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:44 BoogieIcfgContainer [2021-11-21 05:29:44,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:29:44,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:29:44,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:29:44,056 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:29:44,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:44" (1/1) ... [2021-11-21 05:29:44,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:29:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2021-11-21 05:29:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2021-11-21 05:29:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:29:44,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:44,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2021-11-21 05:29:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2021-11-21 05:29:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:29:44,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:44,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 90 states and 149 transitions. [2021-11-21 05:29:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 149 transitions. [2021-11-21 05:29:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:29:44,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:44,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2021-11-21 05:29:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2021-11-21 05:29:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:29:44,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:44,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2021-11-21 05:29:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2021-11-21 05:29:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:29:44,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:44,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2021-11-21 05:29:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2021-11-21 05:29:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:29:44,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:44,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:45,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2021-11-21 05:29:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2021-11-21 05:29:45,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:29:45,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:45,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:45,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:45,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:45,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2021-11-21 05:29:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2021-11-21 05:29:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:29:45,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:45,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:45,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:45,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 159 transitions. [2021-11-21 05:29:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2021-11-21 05:29:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:29:45,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:45,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:45,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:45,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 139 states and 190 transitions. [2021-11-21 05:29:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 190 transitions. [2021-11-21 05:29:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:29:46,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:46,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:46,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:46,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 139 states and 188 transitions. [2021-11-21 05:29:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-11-21 05:29:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:29:46,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:46,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:46,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:29:46,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 139 states and 186 transitions. [2021-11-21 05:29:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2021-11-21 05:29:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:29:46,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:46,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:46,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:29:46,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 152 states and 201 transitions. [2021-11-21 05:29:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 201 transitions. [2021-11-21 05:29:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:29:46,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:46,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:46,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 155 states and 203 transitions. [2021-11-21 05:29:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-11-21 05:29:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:29:46,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:46,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:47,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:47,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 158 states and 205 transitions. [2021-11-21 05:29:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions. [2021-11-21 05:29:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:29:47,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:47,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:47,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:29:47,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 207 transitions. [2021-11-21 05:29:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2021-11-21 05:29:47,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:29:47,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:47,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:47,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:47,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:29:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 170 states and 217 transitions. [2021-11-21 05:29:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2021-11-21 05:29:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:29:47,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:47,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:47,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:29:47,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:29:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 179 states and 227 transitions. [2021-11-21 05:29:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2021-11-21 05:29:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:29:47,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:47,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:48,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:29:48,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-21 05:29:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-21 05:29:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:29:48,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:48,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:48,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 05:29:48,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2021-11-21 05:29:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2021-11-21 05:29:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:29:49,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:49,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:51,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 05:29:51,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:29:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-21 05:29:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-21 05:29:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:29:52,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:52,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:52,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 05:29:52,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:29:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-21 05:29:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-21 05:29:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:29:53,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:53,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:53,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 05:29:53,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:29:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-21 05:29:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-21 05:29:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:29:54,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:54,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:54,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:29:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:29:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 187 states and 245 transitions. [2021-11-21 05:29:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2021-11-21 05:29:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:29:54,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:54,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:55,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 05:29:55,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:29:56,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2021-11-21 05:29:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2021-11-21 05:29:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:29:56,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:56,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:56,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 05:29:56,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 05:29:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2021-11-21 05:29:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2021-11-21 05:29:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:29:57,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:57,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:58,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:29:58,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:29:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 53 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 05:29:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 190 states and 257 transitions. [2021-11-21 05:29:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2021-11-21 05:29:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:29:59,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:59,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:00,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 05:30:00,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 11 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:30:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 190 states and 257 transitions. [2021-11-21 05:30:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2021-11-21 05:30:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:30:00,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:00,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:01,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 05:30:01,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 68 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 05:30:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 192 states and 257 transitions. [2021-11-21 05:30:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 257 transitions. [2021-11-21 05:30:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:30:03,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:03,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:03,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 05:30:03,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 85 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 05:30:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 194 states and 264 transitions. [2021-11-21 05:30:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2021-11-21 05:30:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:30:05,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:05,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:07,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:30:07,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 05:30:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 196 states and 276 transitions. [2021-11-21 05:30:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions. [2021-11-21 05:30:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:30:10,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:10,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:10,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 05:30:10,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 125 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 05:30:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2021-11-21 05:30:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2021-11-21 05:30:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:30:12,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:12,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:13,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 05:30:13,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 21 proven. 253 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:30:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 198 states and 289 transitions. [2021-11-21 05:30:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 289 transitions. [2021-11-21 05:30:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:30:16,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:16,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:20,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:30:20,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 148 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 05:30:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2021-11-21 05:30:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2021-11-21 05:30:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:30:22,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:22,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:23,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 05:30:23,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 29 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 05:30:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 200 states and 303 transitions. [2021-11-21 05:30:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 303 transitions. [2021-11-21 05:30:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:30:25,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:25,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:26,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:30:26,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 173 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 05:30:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 202 states and 306 transitions. [2021-11-21 05:30:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 306 transitions. [2021-11-21 05:30:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 05:30:27,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:27,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:29,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 05:30:29,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 200 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 05:30:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2021-11-21 05:30:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2021-11-21 05:30:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 05:30:33,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:33,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:34,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-21 05:30:34,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 05:30:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2021-11-21 05:30:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2021-11-21 05:30:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 05:30:38,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:38,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:39,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 05:30:39,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:30:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 05:30:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2021-11-21 05:30:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2021-11-21 05:30:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 05:30:44,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:44,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:30:54,350 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) [2021-11-21 05:30:54,355 INFO L158 Benchmark]: Toolchain (without parser) took 72894.51ms. Allocated memory was 81.8MB in the beginning and 195.0MB in the end (delta: 113.2MB). Free memory was 45.3MB in the beginning and 68.8MB in the end (delta: -23.5MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2021-11-21 05:30:54,355 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:30:54,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.48ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 44.9MB in the beginning and 64.8MB in the end (delta: -19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:30:54,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.38ms. Allocated memory is still 107.0MB. Free memory was 64.8MB in the beginning and 60.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:30:54,357 INFO L158 Benchmark]: Boogie Preprocessor took 72.17ms. Allocated memory is still 107.0MB. Free memory was 60.1MB in the beginning and 55.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:30:54,358 INFO L158 Benchmark]: RCFGBuilder took 1581.91ms. Allocated memory is still 107.0MB. Free memory was 55.4MB in the beginning and 53.9MB in the end (delta: 1.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-11-21 05:30:54,359 INFO L158 Benchmark]: CodeCheck took 70308.46ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 53.2MB in the beginning and 68.8MB in the end (delta: -15.6MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2021-11-21 05:30:54,362 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 0.33ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 807.48ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 44.9MB in the beginning and 64.8MB in the end (delta: -19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.38ms. Allocated memory is still 107.0MB. Free memory was 64.8MB in the beginning and 60.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.17ms. Allocated memory is still 107.0MB. Free memory was 60.1MB in the beginning and 55.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1581.91ms. Allocated memory is still 107.0MB. Free memory was 55.4MB in the beginning and 53.9MB in the end (delta: 1.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * CodeCheck took 70308.46ms. Allocated memory was 107.0MB in the beginning and 195.0MB in the end (delta: 88.1MB). Free memory was 53.2MB in the beginning and 68.8MB in the end (delta: -15.6MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:30:54,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb4c2fad-6161-4462-a059-57d5736f0ef2/bin/ukojak-vF6T2TMglN/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