./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:08:04,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:08:04,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:08:04,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:08:04,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:08:04,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:08:04,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:08:04,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:08:04,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:08:04,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:08:04,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:08:04,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:08:04,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:08:04,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:08:04,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:08:04,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:08:04,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:08:04,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:08:04,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:08:04,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:08:04,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:08:04,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:08:04,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:08:04,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:08:04,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:08:04,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:08:04,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:08:04,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:08:04,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:08:04,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:08:04,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:08:04,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:08:04,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:08:04,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:08:04,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:08:04,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:08:04,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:08:04,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:08:04,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:08:04,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:08:04,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:08:04,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:08:04,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:08:04,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:08:04,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:08:04,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:08:04,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:08:04,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:08:04,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:08:04,208 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:08:04,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:08:04,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:08:04,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:08:04,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:08:04,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:08:04,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:08:04,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:08:04,211 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:08:04,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:08:04,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:08:04,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:08:04,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:08:04,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:08:04,212 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:08:04,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:08:04,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:08:04,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:08:04,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:08:04,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:08:04,214 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:08:04,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:08:04,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:08:04,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2022-11-20 17:08:04,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:08:04,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:08:04,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:08:04,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:08:04,551 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:08:04,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2022-11-20 17:08:07,619 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:08:08,003 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:08:08,004 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2022-11-20 17:08:08,017 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/data/778e157e1/677bc91a330c4d9ca29f601719759642/FLAG0eaab6a83 [2022-11-20 17:08:08,031 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/data/778e157e1/677bc91a330c4d9ca29f601719759642 [2022-11-20 17:08:08,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:08:08,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:08:08,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:08:08,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:08:08,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:08:08,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74920d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08, skipping insertion in model container [2022-11-20 17:08:08,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:08:08,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:08:08,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:08:08,585 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:08:08,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:08:08,741 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:08:08,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08 WrapperNode [2022-11-20 17:08:08,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:08:08,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:08:08,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:08:08,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:08:08,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,817 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 51 [2022-11-20 17:08:08,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:08:08,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:08:08,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:08:08,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:08:08,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,867 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:08:08,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:08:08,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:08:08,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:08:08,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:08" (1/1) ... [2022-11-20 17:08:08,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:08:08,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:08:08,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:08:08,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:08:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 17:08:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 17:08:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:08:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:08:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:08:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:08:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:08:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:08:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:08:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:08:09,102 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:08:09,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:08:09,254 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:08:09,356 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:08:09,356 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:08:09,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:09 BoogieIcfgContainer [2022-11-20 17:08:09,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:08:09,360 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:08:09,360 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:08:09,383 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:08:09,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:09" (1/1) ... [2022-11-20 17:08:09,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:08:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-20 17:08:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 17:08:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:08:09,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 31 transitions. [2022-11-20 17:08:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 17:08:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:08:09,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:09,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:10,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:10,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 38 transitions. [2022-11-20 17:08:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-20 17:08:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:08:10,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:10,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 40 transitions. [2022-11-20 17:08:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-20 17:08:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:08:10,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:10,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 41 transitions. [2022-11-20 17:08:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-20 17:08:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:08:10,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:10,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 42 transitions. [2022-11-20 17:08:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-20 17:08:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:08:10,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 47 transitions. [2022-11-20 17:08:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-20 17:08:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:08:10,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:10,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 49 transitions. [2022-11-20 17:08:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-11-20 17:08:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:08:10,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:10,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 53 transitions. [2022-11-20 17:08:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-20 17:08:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:08:11,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:11,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 61 transitions. [2022-11-20 17:08:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-20 17:08:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:08:11,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:08:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 66 transitions. [2022-11-20 17:08:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 17:08:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:08:11,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:11,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:08:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 46 transitions. [2022-11-20 17:08:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-20 17:08:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:08:12,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 17:08:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 48 transitions. [2022-11-20 17:08:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-20 17:08:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:08:12,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:12,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:08:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:12,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 52 transitions. [2022-11-20 17:08:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-20 17:08:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:08:12,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:12,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:08:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 51 transitions. [2022-11-20 17:08:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 17:08:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:08:13,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:08:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 54 transitions. [2022-11-20 17:08:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-20 17:08:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:08:13,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:08:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 54 transitions. [2022-11-20 17:08:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-11-20 17:08:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:08:14,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:08:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 64 transitions. [2022-11-20 17:08:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-20 17:08:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:08:14,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:14,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:08:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 70 transitions. [2022-11-20 17:08:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-20 17:08:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:08:15,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:08:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 60 states and 80 transitions. [2022-11-20 17:08:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2022-11-20 17:08:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:08:18,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:18,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:08:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 61 states and 80 transitions. [2022-11-20 17:08:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-20 17:08:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:08:18,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:18,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:08:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 90 transitions. [2022-11-20 17:08:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-20 17:08:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:08:19,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:19,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:08:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 69 states and 92 transitions. [2022-11-20 17:08:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-11-20 17:08:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:08:20,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:20,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:08:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 75 states and 101 transitions. [2022-11-20 17:08:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2022-11-20 17:08:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:08:21,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:21,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:08:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 80 states and 106 transitions. [2022-11-20 17:08:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2022-11-20 17:08:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:08:23,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:23,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 17:08:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 86 states and 116 transitions. [2022-11-20 17:08:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2022-11-20 17:08:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:08:24,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:24,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 17:08:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 88 states and 118 transitions. [2022-11-20 17:08:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2022-11-20 17:08:25,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:08:25,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 17:08:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 94 states and 126 transitions. [2022-11-20 17:08:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2022-11-20 17:08:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:08:27,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 17:08:28,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 99 states and 131 transitions. [2022-11-20 17:08:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2022-11-20 17:08:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:08:28,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:08:30,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 105 states and 141 transitions. [2022-11-20 17:08:30,697 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2022-11-20 17:08:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:08:30,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:30,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:08:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 107 states and 143 transitions. [2022-11-20 17:08:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2022-11-20 17:08:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:08:31,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:31,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 17:08:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 113 states and 151 transitions. [2022-11-20 17:08:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2022-11-20 17:08:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 17:08:33,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:33,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:08:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 118 states and 156 transitions. [2022-11-20 17:08:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-20 17:08:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:08:35,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:35,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:08:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 124 states and 166 transitions. [2022-11-20 17:08:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2022-11-20 17:08:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:08:37,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:37,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:08:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 126 states and 168 transitions. [2022-11-20 17:08:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2022-11-20 17:08:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:08:38,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:38,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:39,340 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-20 17:08:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 176 transitions. [2022-11-20 17:08:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 176 transitions. [2022-11-20 17:08:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 17:08:41,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:41,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:08:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 137 states and 181 transitions. [2022-11-20 17:08:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2022-11-20 17:08:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:08:43,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:43,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 17:08:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 143 states and 191 transitions. [2022-11-20 17:08:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-11-20 17:08:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:08:45,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:45,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 17:08:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 145 states and 193 transitions. [2022-11-20 17:08:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2022-11-20 17:08:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 17:08:46,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:46,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 17:08:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 151 states and 201 transitions. [2022-11-20 17:08:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 201 transitions. [2022-11-20 17:08:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 17:08:49,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:49,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 2 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 17:08:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 156 states and 206 transitions. [2022-11-20 17:08:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-11-20 17:08:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 17:08:51,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:08:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 162 states and 216 transitions. [2022-11-20 17:08:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2022-11-20 17:08:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 17:08:53,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:53,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:08:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 164 states and 218 transitions. [2022-11-20 17:08:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2022-11-20 17:08:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 17:08:55,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:55,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-20 17:08:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 170 states and 226 transitions. [2022-11-20 17:08:58,188 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 226 transitions. [2022-11-20 17:08:58,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 17:08:58,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:58,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:09:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 175 states and 231 transitions. [2022-11-20 17:09:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2022-11-20 17:09:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:09:00,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:00,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:09:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 181 states and 240 transitions. [2022-11-20 17:09:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2022-11-20 17:09:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:09:02,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:02,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:09:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 183 states and 242 transitions. [2022-11-20 17:09:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2022-11-20 17:09:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:09:04,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 17:09:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 189 states and 249 transitions. [2022-11-20 17:09:07,587 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 249 transitions. [2022-11-20 17:09:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:09:07,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:07,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:09:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 194 states and 254 transitions. [2022-11-20 17:09:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-20 17:09:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:09:10,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:10,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-20 17:09:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 180 states and 232 transitions. [2022-11-20 17:09:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2022-11-20 17:09:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:09:28,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:28,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-20 17:09:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 167 states and 212 transitions. [2022-11-20 17:09:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 212 transitions. [2022-11-20 17:09:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 17:09:31,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:31,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 17:09:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 164 states and 207 transitions. [2022-11-20 17:09:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-11-20 17:09:32,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:09:32,317 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-20 17:09:32,334 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 17:09:32,823 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:09:32,828 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:09:32,828 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:09:32,828 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:09:32,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:09:32 ImpRootNode [2022-11-20 17:09:32,829 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:09:32,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:09:32,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:09:32,830 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:09:32,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:09" (3/4) ... [2022-11-20 17:09:32,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:09:32,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-20 17:09:32,844 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:09:32,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:09:32,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:09:32,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:09:32,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:09:32,883 INFO L158 Benchmark]: Toolchain (without parser) took 84848.05ms. Allocated memory was 146.8MB in the beginning and 799.0MB in the end (delta: 652.2MB). Free memory was 114.7MB in the beginning and 322.8MB in the end (delta: -208.1MB). Peak memory consumption was 446.0MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,884 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:32,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.26ms. Allocated memory is still 146.8MB. Free memory was 114.7MB in the beginning and 93.1MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.85ms. Allocated memory is still 146.8MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,885 INFO L158 Benchmark]: Boogie Preprocessor took 55.34ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 89.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:32,885 INFO L158 Benchmark]: RCFGBuilder took 483.58ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 75.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,886 INFO L158 Benchmark]: CodeCheck took 83469.23ms. Allocated memory was 146.8MB in the beginning and 799.0MB in the end (delta: 652.2MB). Free memory was 75.0MB in the beginning and 324.9MB in the end (delta: -249.9MB). Peak memory consumption was 404.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,886 INFO L158 Benchmark]: Witness Printer took 53.21ms. Allocated memory is still 799.0MB. Free memory was 324.9MB in the beginning and 322.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 82.9s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11945 SdHoareTripleChecker+Valid, 40.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9050 mSDsluCounter, 8584 SdHoareTripleChecker+Invalid, 31.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6117 mSDsCounter, 6435 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24747 IncrementalHoareTripleChecker+Invalid, 31182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6435 mSolverCounterUnsat, 2467 mSDtfsCounter, 24747 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18914 GetRequests, 17931 SyntacticMatches, 355 SemanticMatches, 628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225590 ImplicationChecksByTransitivity, 69.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 2468 NumberOfCodeBlocks, 2468 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2417 ConstructedInterpolants, 0 QuantifiedInterpolants, 6775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 8 PerfectInterpolantSequences, 2646/6609 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: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.26ms. Allocated memory is still 146.8MB. Free memory was 114.7MB in the beginning and 93.1MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.85ms. Allocated memory is still 146.8MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.34ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 89.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 483.58ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 75.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 83469.23ms. Allocated memory was 146.8MB in the beginning and 799.0MB in the end (delta: 652.2MB). Free memory was 75.0MB in the beginning and 324.9MB in the end (delta: -249.9MB). Peak memory consumption was 404.1MB. Max. memory is 16.1GB. * Witness Printer took 53.21ms. Allocated memory is still 799.0MB. Free memory was 324.9MB in the beginning and 322.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:09:32,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f314f6df-84d5-423f-bd08-13d839c40490/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE