./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3be311324e226e153c8706695dfc24fb10e6b39 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:41:23,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:41:23,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:41:23,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:41:23,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:41:23,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:41:23,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:41:23,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:41:23,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:41:23,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:41:23,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:41:23,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:41:23,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:41:23,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:41:23,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:41:23,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:41:23,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:41:23,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:41:23,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:41:23,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:41:23,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:41:23,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:41:23,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:41:23,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:41:23,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:41:23,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:41:23,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:41:23,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:41:23,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:41:23,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:41:23,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:41:23,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:41:23,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:41:23,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:41:23,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:41:23,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:41:23,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:41:23,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:41:23,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:41:23,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:41:23,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:41:23,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-19 22:41:23,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:41:23,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:41:23,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:41:23,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:41:23,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:41:23,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:41:23,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:41:23,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:41:23,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:41:23,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:41:23,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:41:23,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:41:23,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:41:23,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:41:23,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:41:23,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:41:23,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:41:23,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:41:23,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:41:23,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:41:23,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:41:23,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:41:23,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:41:23,171 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:41:23,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:41:23,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:41:23,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:41:23,172 INFO L138 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak 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 ! call(__VERIFIER_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3be311324e226e153c8706695dfc24fb10e6b39 [2019-11-19 22:41:23,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:41:23,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:41:23,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:41:23,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:41:23,364 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:41:23,365 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-11-19 22:41:23,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/data/f8e18d30b/defd3a2ff71b4e1993c91f13011eba1c/FLAG6e4face38 [2019-11-19 22:41:23,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:41:23,976 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2019-11-19 22:41:24,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/data/f8e18d30b/defd3a2ff71b4e1993c91f13011eba1c/FLAG6e4face38 [2019-11-19 22:41:24,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/data/f8e18d30b/defd3a2ff71b4e1993c91f13011eba1c [2019-11-19 22:41:24,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:41:24,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:41:24,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:41:24,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:41:24,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:41:24,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:41:24" (1/1) ... [2019-11-19 22:41:24,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724b695b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:24, skipping insertion in model container [2019-11-19 22:41:24,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:41:24" (1/1) ... [2019-11-19 22:41:24,172 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:41:24,237 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:41:24,673 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-11-19 22:41:24,674 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-11-19 22:41:24,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:41:24,964 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:41:25,056 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1323] [2019-11-19 22:41:25,057 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1324-1325] [2019-11-19 22:41:25,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:41:25,225 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:41:25,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25 WrapperNode [2019-11-19 22:41:25,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:41:25,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:41:25,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:41:25,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:41:25,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:41:25,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:41:25,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:41:25,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:41:25,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... [2019-11-19 22:41:25,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:41:25,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:41:25,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:41:25,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:41:25,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:41:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:41:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-19 22:41:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-19 22:41:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-11-19 22:41:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-11-19 22:41:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 22:41:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-19 22:41:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-19 22:41:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:41:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-11-19 22:41:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-11-19 22:41:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2019-11-19 22:41:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2019-11-19 22:41:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-19 22:41:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-19 22:41:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:41:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-19 22:41:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-19 22:41:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2019-11-19 22:41:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2019-11-19 22:41:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 22:41:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2019-11-19 22:41:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2019-11-19 22:41:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:41:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 22:41:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-11-19 22:41:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-11-19 22:41:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-19 22:41:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-19 22:41:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:41:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2019-11-19 22:41:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2019-11-19 22:41:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-19 22:41:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-19 22:41:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-19 22:41:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-19 22:41:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-19 22:41:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-19 22:41:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-11-19 22:41:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-11-19 22:41:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:41:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-11-19 22:41:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-11-19 22:41:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:41:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-19 22:41:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-19 22:41:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:41:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:41:25,980 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-19 22:41:27,230 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:41:27,230 INFO L285 CfgBuilder]: Removed 50 assume(true) statements. [2019-11-19 22:41:27,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:41:27 BoogieIcfgContainer [2019-11-19 22:41:27,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:41:27,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:41:27,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:41:27,242 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:41:27,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:41:27" (1/1) ... [2019-11-19 22:41:27,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:41:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 180 states and 250 transitions. [2019-11-19 22:41:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 250 transitions. [2019-11-19 22:41:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 22:41:27,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 22:41:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 180 states and 250 transitions. [2019-11-19 22:41:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 250 transitions. [2019-11-19 22:41:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 22:41:27,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 183 states and 263 transitions. [2019-11-19 22:41:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 263 transitions. [2019-11-19 22:41:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 22:41:28,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 187 states and 279 transitions. [2019-11-19 22:41:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2019-11-19 22:41:28,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 22:41:28,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:41:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 188 states and 281 transitions. [2019-11-19 22:41:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 281 transitions. [2019-11-19 22:41:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 22:41:28,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 187 states and 277 transitions. [2019-11-19 22:41:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 277 transitions. [2019-11-19 22:41:28,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 22:41:28,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 191 states and 284 transitions. [2019-11-19 22:41:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 284 transitions. [2019-11-19 22:41:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:41:28,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 194 states and 289 transitions. [2019-11-19 22:41:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 289 transitions. [2019-11-19 22:41:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:41:28,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 195 states and 289 transitions. [2019-11-19 22:41:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 289 transitions. [2019-11-19 22:41:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 22:41:28,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 194 states and 285 transitions. [2019-11-19 22:41:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 285 transitions. [2019-11-19 22:41:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-19 22:41:29,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 22:41:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 195 states and 287 transitions. [2019-11-19 22:41:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 287 transitions. [2019-11-19 22:41:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 22:41:29,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 229 states and 360 transitions. [2019-11-19 22:41:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 360 transitions. [2019-11-19 22:41:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 22:41:29,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 234 states and 378 transitions. [2019-11-19 22:41:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 378 transitions. [2019-11-19 22:41:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 22:41:30,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 236 states and 381 transitions. [2019-11-19 22:41:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 381 transitions. [2019-11-19 22:41:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 22:41:30,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-19 22:41:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 238 states and 383 transitions. [2019-11-19 22:41:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 383 transitions. [2019-11-19 22:41:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 22:41:30,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-19 22:41:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 239 states and 383 transitions. [2019-11-19 22:41:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 383 transitions. [2019-11-19 22:41:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 22:41:30,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-19 22:41:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 240 states and 383 transitions. [2019-11-19 22:41:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 383 transitions. [2019-11-19 22:41:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 22:41:30,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 240 states and 381 transitions. [2019-11-19 22:41:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 381 transitions. [2019-11-19 22:41:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 22:41:31,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 242 states and 390 transitions. [2019-11-19 22:41:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 390 transitions. [2019-11-19 22:41:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 22:41:31,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-19 22:41:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 393 transitions. [2019-11-19 22:41:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 393 transitions. [2019-11-19 22:41:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 22:41:31,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 259 states and 432 transitions. [2019-11-19 22:41:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 432 transitions. [2019-11-19 22:41:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 22:41:32,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-19 22:41:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 260 states and 432 transitions. [2019-11-19 22:41:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 432 transitions. [2019-11-19 22:41:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:41:33,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-19 22:41:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 267 states and 451 transitions. [2019-11-19 22:41:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 451 transitions. [2019-11-19 22:41:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:41:33,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-19 22:41:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 270 states and 455 transitions. [2019-11-19 22:41:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 455 transitions. [2019-11-19 22:41:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:41:33,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 270 states and 454 transitions. [2019-11-19 22:41:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 454 transitions. [2019-11-19 22:41:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 22:41:34,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 274 states and 460 transitions. [2019-11-19 22:41:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 460 transitions. [2019-11-19 22:41:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:41:34,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 273 states and 449 transitions. [2019-11-19 22:41:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 449 transitions. [2019-11-19 22:41:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-19 22:41:34,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 22:41:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 275 states and 452 transitions. [2019-11-19 22:41:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 452 transitions. [2019-11-19 22:41:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 22:41:35,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-19 22:41:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 277 states and 455 transitions. [2019-11-19 22:41:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 455 transitions. [2019-11-19 22:41:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 22:41:35,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 282 states and 466 transitions. [2019-11-19 22:41:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 466 transitions. [2019-11-19 22:41:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 22:41:36,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 285 states and 472 transitions. [2019-11-19 22:41:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 472 transitions. [2019-11-19 22:41:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 22:41:37,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:37,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 286 states and 472 transitions. [2019-11-19 22:41:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 472 transitions. [2019-11-19 22:41:37,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 22:41:37,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-19 22:41:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 288 states and 477 transitions. [2019-11-19 22:41:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 477 transitions. [2019-11-19 22:41:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 22:41:37,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-19 22:41:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 290 states and 484 transitions. [2019-11-19 22:41:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 484 transitions. [2019-11-19 22:41:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 22:41:38,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-19 22:41:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 294 states and 489 transitions. [2019-11-19 22:41:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 489 transitions. [2019-11-19 22:41:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-19 22:41:38,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-19 22:41:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 297 states and 499 transitions. [2019-11-19 22:41:39,208 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 499 transitions. [2019-11-19 22:41:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 22:41:39,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-19 22:41:39,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 301 states and 510 transitions. [2019-11-19 22:41:39,298 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 510 transitions. [2019-11-19 22:41:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-19 22:41:39,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-19 22:41:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 304 states and 515 transitions. [2019-11-19 22:41:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 515 transitions. [2019-11-19 22:41:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 22:41:40,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-19 22:41:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 307 states and 517 transitions. [2019-11-19 22:41:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 517 transitions. [2019-11-19 22:41:40,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:41:40,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-19 22:41:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 337 states and 570 transitions. [2019-11-19 22:41:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 570 transitions. [2019-11-19 22:41:42,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:41:42,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-19 22:41:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 337 states and 568 transitions. [2019-11-19 22:41:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 568 transitions. [2019-11-19 22:41:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:41:42,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-19 22:41:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 335 states and 562 transitions. [2019-11-19 22:41:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 562 transitions. [2019-11-19 22:41:42,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:41:42,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-19 22:41:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 337 states and 564 transitions. [2019-11-19 22:41:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 564 transitions. [2019-11-19 22:41:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:41:43,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-19 22:41:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 339 states and 572 transitions. [2019-11-19 22:41:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 572 transitions. [2019-11-19 22:41:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-19 22:41:43,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-19 22:41:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 340 states and 575 transitions. [2019-11-19 22:41:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 575 transitions. [2019-11-19 22:41:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-19 22:41:43,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:41:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 341 states and 577 transitions. [2019-11-19 22:41:43,818 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 577 transitions. [2019-11-19 22:41:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-19 22:41:43,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-19 22:41:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 343 states and 579 transitions. [2019-11-19 22:41:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 579 transitions. [2019-11-19 22:41:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-19 22:41:44,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-19 22:41:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 344 states and 579 transitions. [2019-11-19 22:41:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 579 transitions. [2019-11-19 22:41:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-19 22:41:44,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-19 22:41:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 343 states and 577 transitions. [2019-11-19 22:41:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 577 transitions. [2019-11-19 22:41:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-19 22:41:44,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-19 22:41:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 343 states and 576 transitions. [2019-11-19 22:41:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 576 transitions. [2019-11-19 22:41:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-19 22:41:44,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-19 22:41:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 350 states and 588 transitions. [2019-11-19 22:41:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 588 transitions. [2019-11-19 22:41:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-19 22:41:44,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-19 22:41:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 353 states and 591 transitions. [2019-11-19 22:41:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 591 transitions. [2019-11-19 22:41:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-19 22:41:45,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-19 22:41:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 356 states and 595 transitions. [2019-11-19 22:41:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 595 transitions. [2019-11-19 22:41:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-19 22:41:46,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-19 22:41:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 358 states and 597 transitions. [2019-11-19 22:41:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 597 transitions. [2019-11-19 22:41:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-19 22:41:46,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-19 22:41:46,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 363 states and 605 transitions. [2019-11-19 22:41:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 605 transitions. [2019-11-19 22:41:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-19 22:41:46,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-11-19 22:41:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 366 states and 609 transitions. [2019-11-19 22:41:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 609 transitions. [2019-11-19 22:41:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-19 22:41:46,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-19 22:41:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 373 states and 621 transitions. [2019-11-19 22:41:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 621 transitions. [2019-11-19 22:41:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-19 22:41:47,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-19 22:41:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 391 states and 649 transitions. [2019-11-19 22:41:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 649 transitions. [2019-11-19 22:41:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-19 22:41:48,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-19 22:41:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 392 states and 651 transitions. [2019-11-19 22:41:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 651 transitions. [2019-11-19 22:41:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-19 22:41:50,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-19 22:41:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 395 states and 655 transitions. [2019-11-19 22:41:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 655 transitions. [2019-11-19 22:41:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-19 22:41:50,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-11-19 22:41:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 396 states and 656 transitions. [2019-11-19 22:41:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 656 transitions. [2019-11-19 22:41:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-19 22:41:50,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2019-11-19 22:41:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 407 states and 672 transitions. [2019-11-19 22:41:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 672 transitions. [2019-11-19 22:41:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 22:41:50,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-19 22:41:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 410 states and 676 transitions. [2019-11-19 22:41:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 676 transitions. [2019-11-19 22:41:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-19 22:41:50,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-11-19 22:41:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 421 states and 692 transitions. [2019-11-19 22:41:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 692 transitions. [2019-11-19 22:41:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-19 22:41:51,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-11-19 22:41:51,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:51,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 426 states and 699 transitions. [2019-11-19 22:41:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 699 transitions. [2019-11-19 22:41:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-19 22:41:51,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-11-19 22:41:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 432 states and 707 transitions. [2019-11-19 22:41:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 707 transitions. [2019-11-19 22:41:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-19 22:41:51,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-19 22:41:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 440 states and 719 transitions. [2019-11-19 22:41:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 719 transitions. [2019-11-19 22:41:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-19 22:41:51,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-11-19 22:41:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 446 states and 727 transitions. [2019-11-19 22:41:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 727 transitions. [2019-11-19 22:41:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-19 22:41:51,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-19 22:41:52,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 454 states and 739 transitions. [2019-11-19 22:41:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 739 transitions. [2019-11-19 22:41:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-19 22:41:52,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-19 22:41:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 460 states and 747 transitions. [2019-11-19 22:41:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 747 transitions. [2019-11-19 22:41:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-19 22:41:52,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-19 22:41:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 467 states and 757 transitions. [2019-11-19 22:41:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 757 transitions. [2019-11-19 22:41:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-19 22:41:52,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:41:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:41:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-11-19 22:41:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:41:52,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 281 states and 436 transitions. [2019-11-19 22:41:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 436 transitions. [2019-11-19 22:41:52,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:41:52,723 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 72 iterations. [2019-11-19 22:41:52,732 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:41:53,213 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,216 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,216 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,216 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,217 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-19 22:41:53,221 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,221 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,221 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,221 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,222 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,222 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-19 22:41:53,222 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,222 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,224 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:41:53,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:41:53 ImpRootNode [2019-11-19 22:41:53,226 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:41:53,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:41:53,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:41:53,226 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:41:53,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:41:27" (3/4) ... [2019-11-19 22:41:53,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:41:53,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __list_add [2019-11-19 22:41:53,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2019-11-19 22:41:53,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2019-11-19 22:41:53,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2019-11-19 22:41:53,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_resource [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_allocate_port [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_resource_valid [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_set_name [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure gameport_free_port [2019-11-19 22:41:53,236 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-19 22:41:53,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2019-11-19 22:41:53,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-11-19 22:41:53,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2019-11-19 22:41:53,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-19 22:41:53,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2019-11-19 22:41:53,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __gameport_register_port [2019-11-19 22:41:53,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2019-11-19 22:41:53,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-19 22:41:53,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-19 22:41:53,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43efc610-85f2-44b4-8b24-d1304a02d048/bin/ukojak/witness.graphml [2019-11-19 22:41:53,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:41:53,497 INFO L168 Benchmark]: Toolchain (without parser) took 29340.51 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 738.2 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -502.3 MB). Peak memory consumption was 235.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:41:53,498 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:41:53,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1068.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:41:53,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:41:53,499 INFO L168 Benchmark]: Boogie Preprocessor took 121.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:41:53,499 INFO L168 Benchmark]: RCFGBuilder took 1731.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.1 MB in the end (delta: 184.6 MB). Peak memory consumption was 184.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:41:53,499 INFO L168 Benchmark]: CodeCheck took 25993.78 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 592.4 MB). Free memory was 900.1 MB in the beginning and 1.5 GB in the end (delta: -638.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:41:53,500 INFO L168 Benchmark]: Witness Printer took 269.42 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 92.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:41:53,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 19 procedures, 181 locations, 1 error locations. Result: SAFE, OverallTime: 25.4s, OverallIterations: 72, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 292211992 SDtfs, 37477928 SDslu, -329033400 SDs, 0 SdLazy, -2119284404 SolverSat, 287295344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49513 GetRequests, 49119 SyntacticMatches, 108 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42945 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 6868 NumberOfCodeBlocks, 6868 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 6797 ConstructedInterpolants, 0 QuantifiedInterpolants, 1164197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 71 InterpolantComputations, 69 PerfectInterpolantSequences, 4973/4976 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2011]: Loop Invariant Derived loop invariant: !(ldv_state_variable_0 == 0) || (!(ldv_spin == 0) && !(ldv_state_variable_1 == 0)) - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1983]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: i <= 4 - InvariantResult [Line: 1891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2053]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1068.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 151.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1731.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.1 MB in the end (delta: 184.6 MB). Peak memory consumption was 184.6 MB. Max. memory is 11.5 GB. * CodeCheck took 25993.78 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 592.4 MB). Free memory was 900.1 MB in the beginning and 1.5 GB in the end (delta: -638.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 269.42 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 92.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...