./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.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_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/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_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/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_4df5142d-5ccd-4679-9e58-fbb477639a2e/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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:14:19,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:14:19,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:14:19,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:14:19,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:14:19,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:14:19,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:14:19,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:14:19,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:14:19,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:14:19,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:14:19,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:14:19,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:14:19,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:14:19,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:14:19,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:14:19,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:14:19,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:14:19,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:14:19,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:14:19,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:14:19,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:14:19,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:14:19,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:14:19,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:14:19,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:14:19,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:14:19,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:14:19,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:14:19,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:14:19,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:14:19,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:14:19,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:14:19,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:14:19,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:14:19,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:14:19,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:14:19,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:14:19,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:14:19,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:14:19,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:14:19,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:14:19,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:14:19,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:14:19,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:14:19,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:14:19,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:14:19,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:14:19,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:14:19,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:14:19,906 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:14:19,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:14:19,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:14:19,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:14:19,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:14:19,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:14:19,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:14:19,914 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:14:19,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:14:19,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:14:19,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:14:19,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:14:19,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:14:19,915 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:14:19,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:14:19,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:14:19,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:14:19,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:14:19,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:14:19,916 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:14:19,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:14:19,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:14:19,916 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_4df5142d-5ccd-4679-9e58-fbb477639a2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2021-11-13 23:14:20,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:14:20,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:14:20,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:14:20,197 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:14:20,198 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:14:20,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2021-11-13 23:14:20,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/data/15666839d/cd06e9a589b04969aa01efdd9c78108d/FLAGa01ad7a2f [2021-11-13 23:14:20,903 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:14:20,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2021-11-13 23:14:20,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/data/15666839d/cd06e9a589b04969aa01efdd9c78108d/FLAGa01ad7a2f [2021-11-13 23:14:21,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/data/15666839d/cd06e9a589b04969aa01efdd9c78108d [2021-11-13 23:14:21,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:14:21,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:14:21,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:14:21,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:14:21,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:14:21,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:21" (1/1) ... [2021-11-13 23:14:21,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfb78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:21, skipping insertion in model container [2021-11-13 23:14:21,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:21" (1/1) ... [2021-11-13 23:14:21,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:14:21,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:14:21,741 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_4df5142d-5ccd-4679-9e58-fbb477639a2e/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2021-11-13 23:14:21,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:14:21,877 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:14:21,915 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_4df5142d-5ccd-4679-9e58-fbb477639a2e/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2021-11-13 23:14:22,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:14:22,068 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:14:22,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22 WrapperNode [2021-11-13 23:14:22,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:14:22,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:14:22,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:14:22,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:14:22,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:14:22,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:14:22,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:14:22,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:14:22,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:14:22,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:14:22,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:14:22,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:14:22,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:22" (1/1) ... [2021-11-13 23:14:22,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:14:22,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:14:22,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:14:22,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:14:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:14:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 23:14:22,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 23:14:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:14:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 23:14:22,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 23:14:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:14:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:14:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:14:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:14:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:14:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:14:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:14:22,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:14:24,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:14:24,755 INFO L299 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-13 23:14:24,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:24 BoogieIcfgContainer [2021-11-13 23:14:24,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:14:24,760 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:14:24,760 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:14:24,770 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:14:24,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:24" (1/1) ... [2021-11-13 23:14:24,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:14:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2021-11-13 23:14:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2021-11-13 23:14:24,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:14:24,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:24,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:25,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:25,125 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 23:14:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2021-11-13 23:14:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2021-11-13 23:14:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:14:25,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:25,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:25,245 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 23:14:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 162 states and 280 transitions. [2021-11-13 23:14:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2021-11-13 23:14:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:14:25,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:25,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:25,343 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 23:14:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 276 transitions. [2021-11-13 23:14:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2021-11-13 23:14:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:14:25,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:25,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:14:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 162 states and 268 transitions. [2021-11-13 23:14:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 268 transitions. [2021-11-13 23:14:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:14:25,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:25,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:25,668 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 23:14:25,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2021-11-13 23:14:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2021-11-13 23:14:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:14:25,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:25,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:25,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:25,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:25,929 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 23:14:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 162 states and 244 transitions. [2021-11-13 23:14:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 244 transitions. [2021-11-13 23:14:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:14:26,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:26,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:26,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:26,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:26,346 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 23:14:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 207 states and 300 transitions. [2021-11-13 23:14:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2021-11-13 23:14:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:14:26,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:26,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:26,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:26,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:26,974 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 23:14:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 207 states and 298 transitions. [2021-11-13 23:14:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 298 transitions. [2021-11-13 23:14:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:14:26,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:26,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:27,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:27,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:27,199 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 23:14:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 207 states and 296 transitions. [2021-11-13 23:14:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 296 transitions. [2021-11-13 23:14:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:14:27,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:27,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:27,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:27,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:27,473 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 23:14:27,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:27,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 253 states and 354 transitions. [2021-11-13 23:14:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2021-11-13 23:14:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:14:27,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:27,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:28,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:28,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:28,147 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 23:14:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 253 states and 352 transitions. [2021-11-13 23:14:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2021-11-13 23:14:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:14:28,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:28,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:28,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:28,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:28,378 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 23:14:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 253 states and 350 transitions. [2021-11-13 23:14:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2021-11-13 23:14:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:14:28,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:28,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:28,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:28,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:28,605 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 23:14:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 253 states and 348 transitions. [2021-11-13 23:14:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 348 transitions. [2021-11-13 23:14:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:14:28,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:28,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:28,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:28,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:28,832 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 23:14:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 253 states and 346 transitions. [2021-11-13 23:14:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2021-11-13 23:14:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:14:28,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:28,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:28,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:28,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:29,198 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 23:14:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 287 states and 388 transitions. [2021-11-13 23:14:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2021-11-13 23:14:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:14:29,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:29,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:29,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:29,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:29,776 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 23:14:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 290 states and 390 transitions. [2021-11-13 23:14:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 390 transitions. [2021-11-13 23:14:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:14:29,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:29,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:29,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:29,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:29,993 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 23:14:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 290 states and 388 transitions. [2021-11-13 23:14:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 388 transitions. [2021-11-13 23:14:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:14:30,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:30,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:30,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:30,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:30,281 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 23:14:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 293 states and 390 transitions. [2021-11-13 23:14:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 390 transitions. [2021-11-13 23:14:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:14:30,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:30,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:30,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:30,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:30,545 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 23:14:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 296 states and 392 transitions. [2021-11-13 23:14:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 392 transitions. [2021-11-13 23:14:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:14:30,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:30,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:30,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:30,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:30,843 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 23:14:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 299 states and 394 transitions. [2021-11-13 23:14:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 394 transitions. [2021-11-13 23:14:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:14:30,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:30,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:30,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:30,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:31,188 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 23:14:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 302 states and 396 transitions. [2021-11-13 23:14:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2021-11-13 23:14:31,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:14:31,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:31,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:31,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:31,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:31,595 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 23:14:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 305 states and 398 transitions. [2021-11-13 23:14:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2021-11-13 23:14:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:14:31,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:31,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:31,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:31,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:31,838 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 23:14:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-13 23:14:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-13 23:14:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:14:31,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:31,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:31,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:31,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:32,161 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 23:14:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 314 states and 408 transitions. [2021-11-13 23:14:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 408 transitions. [2021-11-13 23:14:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:14:32,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:32,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:32,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:32,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:32,798 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 23:14:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 323 states and 418 transitions. [2021-11-13 23:14:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 418 transitions. [2021-11-13 23:14:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:14:32,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:32,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:32,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:32,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:33,109 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 23:14:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 332 states and 428 transitions. [2021-11-13 23:14:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 428 transitions. [2021-11-13 23:14:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:14:33,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:33,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:33,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:33,414 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 23:14:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 341 states and 439 transitions. [2021-11-13 23:14:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 439 transitions. [2021-11-13 23:14:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:14:34,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:34,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:34,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:34,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:34,295 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 23:14:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 350 states and 449 transitions. [2021-11-13 23:14:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 449 transitions. [2021-11-13 23:14:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:14:34,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:34,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:34,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:34,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:34,662 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 23:14:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 359 states and 459 transitions. [2021-11-13 23:14:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 459 transitions. [2021-11-13 23:14:34,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:14:34,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:34,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:34,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:34,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:35,101 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 23:14:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2021-11-13 23:14:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2021-11-13 23:14:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:14:35,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:35,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:35,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:35,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:35,553 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 23:14:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 369 states and 472 transitions. [2021-11-13 23:14:36,027 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 472 transitions. [2021-11-13 23:14:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:14:36,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:36,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:36,314 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 23:14:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 382 states and 487 transitions. [2021-11-13 23:14:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 487 transitions. [2021-11-13 23:14:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:14:36,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:36,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:36,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:36,866 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 23:14:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 391 states and 497 transitions. [2021-11-13 23:14:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 497 transitions. [2021-11-13 23:14:36,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:14:36,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:36,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:37,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:37,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:37,215 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 23:14:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:14:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:14:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:14:37,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:37,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:37,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 23:14:37,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:37,830 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 23:14:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:14:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:14:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:14:37,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:37,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:38,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:14:38,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:38,363 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 23:14:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 396 states and 507 transitions. [2021-11-13 23:14:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 507 transitions. [2021-11-13 23:14:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:14:38,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:38,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:38,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:38,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:38,823 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 23:14:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 397 states and 509 transitions. [2021-11-13 23:14:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 509 transitions. [2021-11-13 23:14:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:14:39,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:39,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:39,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:14:39,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:40,055 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 23:14:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:40,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 399 states and 512 transitions. [2021-11-13 23:14:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 512 transitions. [2021-11-13 23:14:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:14:40,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:40,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:40,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:14:40,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:40,907 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 23:14:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 400 states and 514 transitions. [2021-11-13 23:14:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 514 transitions. [2021-11-13 23:14:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:14:41,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:41,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:42,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:14:42,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:42,294 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 23:14:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 400 states and 512 transitions. [2021-11-13 23:14:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 512 transitions. [2021-11-13 23:14:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:14:42,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:42,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:14:42,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:14:42,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:14:42,718 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 23:14:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-13 23:14:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-13 23:14:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:14:44,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:44,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-13 23:14:55,025 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 23:14:55,028 INFO L158 Benchmark]: Toolchain (without parser) took 33770.68ms. Allocated memory was 113.2MB in the beginning and 293.6MB in the end (delta: 180.4MB). Free memory was 76.2MB in the beginning and 205.4MB in the end (delta: -129.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-11-13 23:14:55,029 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:14:55,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.57ms. Allocated memory is still 113.2MB. Free memory was 76.0MB in the beginning and 62.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:14:55,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.77ms. Allocated memory is still 113.2MB. Free memory was 62.2MB in the beginning and 53.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:14:55,030 INFO L158 Benchmark]: Boogie Preprocessor took 177.04ms. Allocated memory is still 113.2MB. Free memory was 53.3MB in the beginning and 43.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:14:55,030 INFO L158 Benchmark]: RCFGBuilder took 2349.45ms. Allocated memory was 113.2MB in the beginning and 180.4MB in the end (delta: 67.1MB). Free memory was 43.3MB in the beginning and 119.0MB in the end (delta: -75.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-11-13 23:14:55,031 INFO L158 Benchmark]: CodeCheck took 30266.89ms. Allocated memory was 180.4MB in the beginning and 293.6MB in the end (delta: 113.2MB). Free memory was 119.0MB in the beginning and 205.4MB in the end (delta: -86.4MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-11-13 23:14:55,034 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 0.29ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.57ms. Allocated memory is still 113.2MB. Free memory was 76.0MB in the beginning and 62.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.77ms. Allocated memory is still 113.2MB. Free memory was 62.2MB in the beginning and 53.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.04ms. Allocated memory is still 113.2MB. Free memory was 53.3MB in the beginning and 43.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2349.45ms. Allocated memory was 113.2MB in the beginning and 180.4MB in the end (delta: 67.1MB). Free memory was 43.3MB in the beginning and 119.0MB in the end (delta: -75.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * CodeCheck took 30266.89ms. Allocated memory was 180.4MB in the beginning and 293.6MB in the end (delta: 113.2MB). Free memory was 119.0MB in the beginning and 205.4MB in the end (delta: -86.4MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:14:55,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df5142d-5ccd-4679-9e58-fbb477639a2e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_4df5142d-5ccd-4679-9e58-fbb477639a2e/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