./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:13:43,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:13:43,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:13:43,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:13:43,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:13:43,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:13:43,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:13:43,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:13:43,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:13:43,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:13:43,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:13:43,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:13:43,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:13:43,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:13:43,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:13:43,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:13:43,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:13:43,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:13:43,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:13:43,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:13:43,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:13:43,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:13:43,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:13:43,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:13:43,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:13:43,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:13:43,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:13:43,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:13:43,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:13:43,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:13:43,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:13:43,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:13:43,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:13:43,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:13:43,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:13:43,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:13:43,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:13:43,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:13:43,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:13:43,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:13:43,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:13:43,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:13:43,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:13:43,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:13:43,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:13:43,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:13:43,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:13:43,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:13:43,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:13:43,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:13:43,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:13:43,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:13:43,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:13:43,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:13:43,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:13:43,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:13:43,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:13:43,794 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:13:43,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:13:43,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:13:43,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:13:43,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:13:43,795 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:13:43,795 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:13:43,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:13:43,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:13:43,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:13:43,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:13:43,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:13:43,796 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:13:43,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:13:43,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:13:43,798 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_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2021-11-21 06:13:44,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:13:44,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:13:44,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:13:44,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:13:44,122 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:13:44,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-21 06:13:44,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/data/e1f82bc2a/31b5691a4d06439ca3855ec42284e0e8/FLAG9ea30457e [2021-11-21 06:13:44,883 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:13:44,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-21 06:13:44,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/data/e1f82bc2a/31b5691a4d06439ca3855ec42284e0e8/FLAG9ea30457e [2021-11-21 06:13:45,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/data/e1f82bc2a/31b5691a4d06439ca3855ec42284e0e8 [2021-11-21 06:13:45,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:13:45,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:13:45,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:13:45,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:13:45,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:13:45,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:45,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566c47a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45, skipping insertion in model container [2021-11-21 06:13:45,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:45,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:13:45,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:13:45,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-21 06:13:45,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-21 06:13:45,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:13:45,759 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:13:45,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-21 06:13:45,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-21 06:13:45,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:13:45,909 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:13:45,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45 WrapperNode [2021-11-21 06:13:45,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:13:45,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:13:45,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:13:45,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:13:45,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:45,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,046 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 06:13:46,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:13:46,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:13:46,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:13:46,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:13:46,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:13:46,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:13:46,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:13:46,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:13:46,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:13:45" (1/1) ... [2021-11-21 06:13:46,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:13:46,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:13:46,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:13:46,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:13:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:13:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 06:13:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 06:13:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:13:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:13:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:13:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:13:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:13:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:13:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:13:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 06:13:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:13:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:13:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:13:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:13:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:13:46,486 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:13:46,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:13:47,519 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:13:47,955 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:13:47,955 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 06:13:47,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:13:47 BoogieIcfgContainer [2021-11-21 06:13:47,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:13:47,959 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:13:47,959 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:13:47,969 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:13:47,969 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:13:47" (1/1) ... [2021-11-21 06:13:47,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:13:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-11-21 06:13:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-11-21 06:13:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:13:48,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:48,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:48,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:13:48,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:48,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:13:48,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 06:13:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2021-11-21 06:13:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2021-11-21 06:13:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:13:48,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:48,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:48,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:13:48,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:48,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:13:48,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 06:13:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2021-11-21 06:13:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2021-11-21 06:13:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:13:48,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:48,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:48,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 137 states and 228 transitions. [2021-11-21 06:13:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2021-11-21 06:13:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:13:48,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:48,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:48,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:13:48,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2021-11-21 06:13:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2021-11-21 06:13:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:13:48,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:48,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 137 states and 225 transitions. [2021-11-21 06:13:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2021-11-21 06:13:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:13:49,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:49,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:49,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:13:49,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 137 states and 221 transitions. [2021-11-21 06:13:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2021-11-21 06:13:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:13:49,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:49,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:49,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:13:49,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2021-11-21 06:13:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2021-11-21 06:13:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:13:49,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:49,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:49,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:13:49,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2021-11-21 06:13:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2021-11-21 06:13:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:13:49,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:49,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:49,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:13:49,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 151 states and 224 transitions. [2021-11-21 06:13:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2021-11-21 06:13:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:13:50,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:50,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:50,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:13:50,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2021-11-21 06:13:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-11-21 06:13:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:13:50,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:50,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:50,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:13:50,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:50,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 06:13:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 06:13:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:13:50,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:50,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:50,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:13:50,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:13:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 154 states and 222 transitions. [2021-11-21 06:13:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 222 transitions. [2021-11-21 06:13:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:13:50,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:50,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:51,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:13:51,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:13:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 156 states and 226 transitions. [2021-11-21 06:13:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2021-11-21 06:13:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:13:51,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:51,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:51,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:13:51,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:13:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 158 states and 230 transitions. [2021-11-21 06:13:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2021-11-21 06:13:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:13:52,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:52,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:52,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 06:13:52,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:13:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2021-11-21 06:13:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2021-11-21 06:13:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:13:53,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:53,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:53,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:13:53,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:13:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2021-11-21 06:13:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2021-11-21 06:13:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:13:54,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:54,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:54,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:13:54,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:13:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 244 transitions. [2021-11-21 06:13:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 244 transitions. [2021-11-21 06:13:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:13:55,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:55,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 06:13:56,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:13:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-21 06:13:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-21 06:13:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:13:56,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:56,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:57,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:13:57,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:13:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:13:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-21 06:13:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-21 06:13:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:13:59,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:13:59,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:13:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:13:59,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:13:59,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:13:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:14:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-21 06:14:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-21 06:14:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:14:00,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:00,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:01,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:14:01,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:14:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 165 states and 250 transitions. [2021-11-21 06:14:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2021-11-21 06:14:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:14:01,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:01,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:03,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:14:03,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 06:14:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-21 06:14:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-21 06:14:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:14:05,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:05,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:06,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 06:14:06,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:14:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-21 06:14:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-21 06:14:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:14:08,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:08,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:09,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 06:14:09,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:14:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-21 06:14:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-21 06:14:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:14:09,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:09,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:11,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 06:14:11,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 06:14:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 169 states and 265 transitions. [2021-11-21 06:14:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 265 transitions. [2021-11-21 06:14:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:14:12,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:12,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:14,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 06:14:14,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 06:14:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 171 states and 268 transitions. [2021-11-21 06:14:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 268 transitions. [2021-11-21 06:14:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:14:16,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:16,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:18,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 06:14:18,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:14:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 173 states and 271 transitions. [2021-11-21 06:14:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2021-11-21 06:14:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:14:21,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:21,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:22,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 06:14:22,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:14:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-21 06:14:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-21 06:14:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:14:25,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:25,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:30,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:14:30,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:14:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-21 06:14:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-21 06:14:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:14:33,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:33,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:35,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:14:35,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:14:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-21 06:14:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-21 06:14:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:14:36,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:39,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 06:14:39,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 06:14:40,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-21 06:14:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-21 06:14:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:14:40,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:40,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:44,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 06:14:44,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 06:14:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-21 06:14:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-21 06:14:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:14:47,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:47,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:50,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:14:50,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:14:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 06:14:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 179 states and 281 transitions. [2021-11-21 06:14:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2021-11-21 06:14:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 06:14:55,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:55,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:15:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:15:05,222 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 06:15:05,226 INFO L158 Benchmark]: Toolchain (without parser) took 80093.20ms. Allocated memory was 94.4MB in the beginning and 195.0MB in the end (delta: 100.7MB). Free memory was 57.7MB in the beginning and 105.9MB in the end (delta: -48.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2021-11-21 06:15:05,227 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:15:05,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.08ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 64.7MB in the end (delta: -7.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 06:15:05,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.69ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 57.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:15:05,228 INFO L158 Benchmark]: Boogie Preprocessor took 107.35ms. Allocated memory is still 113.2MB. Free memory was 57.8MB in the beginning and 50.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:15:05,233 INFO L158 Benchmark]: RCFGBuilder took 1803.55ms. Allocated memory is still 113.2MB. Free memory was 50.9MB in the beginning and 53.2MB in the end (delta: -2.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-21 06:15:05,236 INFO L158 Benchmark]: CodeCheck took 77265.36ms. Allocated memory was 113.2MB in the beginning and 195.0MB in the end (delta: 81.8MB). Free memory was 53.2MB in the beginning and 105.9MB in the end (delta: -52.7MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-21 06:15:05,240 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 0.22ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.08ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 64.7MB in the end (delta: -7.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.69ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 57.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.35ms. Allocated memory is still 113.2MB. Free memory was 57.8MB in the beginning and 50.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1803.55ms. Allocated memory is still 113.2MB. Free memory was 50.9MB in the beginning and 53.2MB in the end (delta: -2.3MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * CodeCheck took 77265.36ms. Allocated memory was 113.2MB in the beginning and 195.0MB in the end (delta: 81.8MB). Free memory was 53.2MB in the beginning and 105.9MB in the end (delta: -52.7MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:15:05,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/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_522a54a1-959b-44b4-b63b-651f9405f424/bin/ukojak-vF6T2TMglN/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown