./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/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 c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:46:18,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:46:18,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:46:18,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:46:18,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:46:18,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:46:18,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:46:18,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:46:18,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:46:18,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:46:18,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:46:18,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:46:18,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:46:18,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:46:18,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:46:18,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:46:18,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:46:18,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:46:18,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:46:18,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:46:18,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:46:18,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:46:18,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:46:18,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:46:18,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:46:18,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:46:18,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:46:18,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:46:18,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:46:18,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:46:18,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:46:18,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:46:18,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:46:18,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:46:18,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:46:18,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:46:18,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:46:18,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:46:18,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:46:18,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:46:18,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:46:18,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:46:18,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:46:18,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:46:18,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:46:18,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:46:18,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:46:18,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:46:18,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:46:18,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:46:18,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:46:18,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:46:18,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:46:18,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:46:18,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:46:18,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:46:18,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:46:18,536 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:46:18,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:46:18,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:46:18,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:46:18,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:46:18,537 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:46:18,538 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:46:18,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:46:18,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:46:18,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:46:18,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:46:18,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:46:18,540 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:46:18,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:46:18,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:46:18,541 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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b [2021-11-13 23:46:18,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:46:18,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:46:18,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:46:18,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:46:18,936 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:46:18,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2021-11-13 23:46:19,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/data/77f30baed/64ad13f13a464a62bc667ea003b7b6d3/FLAG8fa064903 [2021-11-13 23:46:19,837 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:46:19,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2021-11-13 23:46:19,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/data/77f30baed/64ad13f13a464a62bc667ea003b7b6d3/FLAG8fa064903 [2021-11-13 23:46:20,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/data/77f30baed/64ad13f13a464a62bc667ea003b7b6d3 [2021-11-13 23:46:20,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:46:20,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:46:20,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:46:20,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:46:20,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:46:20,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8445aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:20, skipping insertion in model container [2021-11-13 23:46:20,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:46:20" (1/1) ... [2021-11-13 23:46:20,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:46:20,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:46:20,856 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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2021-11-13 23:46:21,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:46:21,129 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:46:21,167 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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2021-11-13 23:46:21,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:46:21,355 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:46:21,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21 WrapperNode [2021-11-13 23:46:21,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:46:21,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:46:21,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:46:21,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:46:21,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:46:21,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:46:21,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:46:21,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:46:21,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:46:21,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:46:21,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:46:21,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:46:21,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:46:21" (1/1) ... [2021-11-13 23:46:21,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:46:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:46:21,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:46:21,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:46:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:46:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 23:46:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 23:46:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:46:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 23:46:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 23:46:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:46:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:46:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:46:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:46:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:46:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:46:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:46:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:46:24,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:46:24,705 INFO L299 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-13 23:46:24,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:24 BoogieIcfgContainer [2021-11-13 23:46:24,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:46:24,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:46:24,711 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:46:24,724 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:46:24,725 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:46:24" (1/1) ... [2021-11-13 23:46:24,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:46:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2021-11-13 23:46:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2021-11-13 23:46:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:46:24,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:24,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:25,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:25,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2021-11-13 23:46:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2021-11-13 23:46:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:46:25,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:25,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:25,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:25,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:25,375 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 23:46:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 162 states and 280 transitions. [2021-11-13 23:46:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2021-11-13 23:46:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:46:25,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:25,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:25,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:25,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:25,593 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 23:46:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 276 transitions. [2021-11-13 23:46:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2021-11-13 23:46:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:46:25,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:25,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:25,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:25,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:25,831 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 23:46:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 162 states and 268 transitions. [2021-11-13 23:46:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 268 transitions. [2021-11-13 23:46:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:46:25,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:25,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:25,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:25,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:26,081 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 23:46:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2021-11-13 23:46:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2021-11-13 23:46:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:46:26,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:26,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:26,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:26,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:26,373 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 23:46:26,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 162 states and 244 transitions. [2021-11-13 23:46:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 244 transitions. [2021-11-13 23:46:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:46:26,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:26,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:26,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:26,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:26,962 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 23:46:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 207 states and 300 transitions. [2021-11-13 23:46:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2021-11-13 23:46:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:46:27,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:27,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:27,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:27,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:27,870 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 23:46:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 207 states and 298 transitions. [2021-11-13 23:46:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 298 transitions. [2021-11-13 23:46:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:46:27,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:27,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:28,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:28,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:28,185 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 23:46:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 207 states and 296 transitions. [2021-11-13 23:46:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 296 transitions. [2021-11-13 23:46:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:46:28,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:28,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:28,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:28,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 253 states and 354 transitions. [2021-11-13 23:46:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2021-11-13 23:46:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:46:29,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:29,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:29,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:29,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:29,686 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 23:46:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 253 states and 352 transitions. [2021-11-13 23:46:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2021-11-13 23:46:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:46:29,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:29,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:29,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:29,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:29,987 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 23:46:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 253 states and 350 transitions. [2021-11-13 23:46:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2021-11-13 23:46:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:46:30,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:30,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:30,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:30,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:30,241 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 23:46:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 253 states and 348 transitions. [2021-11-13 23:46:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 348 transitions. [2021-11-13 23:46:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:46:30,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:30,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:30,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:30,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:30,471 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 23:46:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 253 states and 346 transitions. [2021-11-13 23:46:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2021-11-13 23:46:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:46:30,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:30,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:30,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:30,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:30,894 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 23:46:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 287 states and 388 transitions. [2021-11-13 23:46:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2021-11-13 23:46:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:46:31,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:31,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:31,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:31,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:31,380 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 23:46:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 290 states and 390 transitions. [2021-11-13 23:46:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 390 transitions. [2021-11-13 23:46:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:46:31,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:31,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:31,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:31,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:31,607 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 23:46:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 290 states and 388 transitions. [2021-11-13 23:46:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 388 transitions. [2021-11-13 23:46:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:46:31,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:31,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:31,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:31,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:31,939 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 23:46:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 293 states and 390 transitions. [2021-11-13 23:46:31,971 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 390 transitions. [2021-11-13 23:46:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:46:31,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:31,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:32,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:32,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:32,233 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 23:46:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 296 states and 392 transitions. [2021-11-13 23:46:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 392 transitions. [2021-11-13 23:46:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:46:32,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:32,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:32,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:32,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:32,530 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 23:46:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 299 states and 394 transitions. [2021-11-13 23:46:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 394 transitions. [2021-11-13 23:46:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:46:32,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:32,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:32,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:32,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:32,953 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 23:46:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 302 states and 396 transitions. [2021-11-13 23:46:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2021-11-13 23:46:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:46:32,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:32,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:33,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:33,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:33,377 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 23:46:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 305 states and 398 transitions. [2021-11-13 23:46:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2021-11-13 23:46:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:46:33,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:33,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:33,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:33,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:33,661 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 23:46:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-13 23:46:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-13 23:46:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:46:33,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:33,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:33,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:33,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:33,967 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 23:46:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 314 states and 408 transitions. [2021-11-13 23:46:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 408 transitions. [2021-11-13 23:46:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:46:34,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:34,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:34,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:34,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:34,777 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 23:46:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 323 states and 418 transitions. [2021-11-13 23:46:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 418 transitions. [2021-11-13 23:46:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:46:34,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:34,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:34,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:34,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:35,109 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 23:46:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 332 states and 428 transitions. [2021-11-13 23:46:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 428 transitions. [2021-11-13 23:46:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:46:35,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:35,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:35,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:35,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:35,448 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 23:46:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 341 states and 439 transitions. [2021-11-13 23:46:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 439 transitions. [2021-11-13 23:46:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:46:36,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:36,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:36,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:36,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:36,285 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 23:46:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 350 states and 449 transitions. [2021-11-13 23:46:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 449 transitions. [2021-11-13 23:46:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:46:36,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:36,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:36,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:36,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:36,641 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 23:46:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 359 states and 459 transitions. [2021-11-13 23:46:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 459 transitions. [2021-11-13 23:46:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:46:36,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:36,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:36,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:36,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:37,086 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 23:46:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2021-11-13 23:46:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2021-11-13 23:46:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:46:37,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:37,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:37,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:37,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:37,625 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 23:46:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 369 states and 472 transitions. [2021-11-13 23:46:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 472 transitions. [2021-11-13 23:46:38,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:46:38,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:38,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:38,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:38,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:38,440 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 23:46:38,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 382 states and 487 transitions. [2021-11-13 23:46:38,586 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 487 transitions. [2021-11-13 23:46:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:46:38,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:38,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:38,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:38,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:38,999 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 23:46:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 391 states and 497 transitions. [2021-11-13 23:46:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 497 transitions. [2021-11-13 23:46:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:46:39,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:39,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:39,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:39,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:39,361 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 23:46:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:46:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:46:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:46:39,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:39,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:39,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 23:46:39,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:40,102 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 23:46:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:46:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:46:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:46:40,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:40,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:40,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:46:40,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:40,751 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 23:46:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 396 states and 507 transitions. [2021-11-13 23:46:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 507 transitions. [2021-11-13 23:46:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:46:40,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:40,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:41,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:41,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:41,254 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 23:46:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 397 states and 509 transitions. [2021-11-13 23:46:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 509 transitions. [2021-11-13 23:46:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:46:41,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:41,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:42,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:46:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:42,631 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 23:46:42,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 399 states and 512 transitions. [2021-11-13 23:46:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 512 transitions. [2021-11-13 23:46:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:46:42,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:42,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:43,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:46:43,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:43,551 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 23:46:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 400 states and 514 transitions. [2021-11-13 23:46:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 514 transitions. [2021-11-13 23:46:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:46:44,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:44,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:44,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:46:44,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:44,944 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 23:46:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 400 states and 512 transitions. [2021-11-13 23:46:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 512 transitions. [2021-11-13 23:46:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:46:44,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:44,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:45,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:46:45,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:45,343 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 23:46:47,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 23:46:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-13 23:46:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-13 23:46:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:46:47,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:47,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-13 23:46:57,865 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 23:46:57,870 INFO L158 Benchmark]: Toolchain (without parser) took 37860.25ms. Allocated memory was 104.9MB in the beginning and 293.6MB in the end (delta: 188.7MB). Free memory was 70.7MB in the beginning and 126.3MB in the end (delta: -55.6MB). Peak memory consumption was 133.9MB. Max. memory is 16.1GB. [2021-11-13 23:46:57,870 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:46:57,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1332.99ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 70.5MB in the beginning and 75.9MB in the end (delta: -5.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-13 23:46:57,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.08ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 67.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:46:57,873 INFO L158 Benchmark]: Boogie Preprocessor took 165.17ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 56.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:46:57,874 INFO L158 Benchmark]: RCFGBuilder took 2978.96ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 56.9MB in the beginning and 89.2MB in the end (delta: -32.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-11-13 23:46:57,875 INFO L158 Benchmark]: CodeCheck took 33158.20ms. Allocated memory was 161.5MB in the beginning and 293.6MB in the end (delta: 132.1MB). Free memory was 88.1MB in the beginning and 126.3MB in the end (delta: -38.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2021-11-13 23:46:57,879 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 0.43ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1332.99ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 70.5MB in the beginning and 75.9MB in the end (delta: -5.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.08ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 67.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.17ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 56.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2978.96ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 56.9MB in the beginning and 89.2MB in the end (delta: -32.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * CodeCheck took 33158.20ms. Allocated memory was 161.5MB in the beginning and 293.6MB in the end (delta: 132.1MB). Free memory was 88.1MB in the beginning and 126.3MB in the end (delta: -38.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:46:57,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbcb3b98-c49a-4a2f-afb5-2a2856413274/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_bbcb3b98-c49a-4a2f-afb5-2a2856413274/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