./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 b5237d83 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_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 23:09:36,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:09:36,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:09:36,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:09:36,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:09:36,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:09:36,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:09:36,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:09:36,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:09:36,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:09:36,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:09:36,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:09:36,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:09:36,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:09:37,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:09:37,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:09:37,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:09:37,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:09:37,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:09:37,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:09:37,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:09:37,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:09:37,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:09:37,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:09:37,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:09:37,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:09:37,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:09:37,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:09:37,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:09:37,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:09:37,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:09:37,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:09:37,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:09:37,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:09:37,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:09:37,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:09:37,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:09:37,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:09:37,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:09:37,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:09:37,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:09:37,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:09:37,081 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:09:37,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:09:37,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:09:37,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:09:37,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:09:37,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:09:37,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:09:37,092 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:09:37,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:09:37,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:09:37,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:09:37,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:09:37,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:09:37,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:09:37,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:09:37,094 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:09:37,094 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:09:37,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:09:37,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:09:37,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:09:37,095 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:09:37,095 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:09:37,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:09:37,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:09:37,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:09:37,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:09:37,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:09:37,097 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:09:37,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:09:37,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:09:37,097 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_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12544117846b274bd1cb12a6694f8fda1d77f0b1327b2e9a353cfe44563b100a [2022-11-21 23:09:37,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:09:37,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:09:37,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:09:37,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:09:37,385 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:09:37,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2022-11-21 23:09:40,535 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:09:40,866 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:09:40,866 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/sv-benchmarks/c/ldv-memsafety/memleaks_test18_1.i [2022-11-21 23:09:40,881 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/data/0de661da7/d1f588589692495cb56670ecb34f80b4/FLAGcb97c8e02 [2022-11-21 23:09:40,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/data/0de661da7/d1f588589692495cb56670ecb34f80b4 [2022-11-21 23:09:40,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:09:40,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:09:40,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:09:40,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:09:40,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:09:40,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:09:40" (1/1) ... [2022-11-21 23:09:40,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf11419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:40, skipping insertion in model container [2022-11-21 23:09:40,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:09:40" (1/1) ... [2022-11-21 23:09:40,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:09:40,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:09:41,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:09:41,481 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:09:41,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:09:41,597 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:09:41,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41 WrapperNode [2022-11-21 23:09:41,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:09:41,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:09:41,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:09:41,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:09:41,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,644 INFO L138 Inliner]: procedures = 164, calls = 72, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 51 [2022-11-21 23:09:41,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:09:41,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:09:41,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:09:41,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:09:41,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:09:41,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:09:41,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:09:41,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:09:41,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:41" (1/1) ... [2022-11-21 23:09:41,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:09:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:09:41,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:09:41,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:09:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 23:09:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 23:09:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:09:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:09:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:09:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:09:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:09:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:09:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:09:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:09:41,897 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:09:41,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:09:42,097 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:09:42,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:09:42,187 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:09:42,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:42 BoogieIcfgContainer [2022-11-21 23:09:42,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:09:42,193 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:09:42,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:09:42,206 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:09:42,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:42" (1/1) ... [2022-11-21 23:09:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:09:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-21 23:09:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-21 23:09:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:09:42,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:42,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 31 transitions. [2022-11-21 23:09:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 23:09:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:09:42,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:42,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:42,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:42,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 38 transitions. [2022-11-21 23:09:42,978 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-21 23:09:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:09:42,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 40 transitions. [2022-11-21 23:09:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-11-21 23:09:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:09:43,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 41 transitions. [2022-11-21 23:09:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-11-21 23:09:43,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:09:43,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:43,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:43,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 42 transitions. [2022-11-21 23:09:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-21 23:09:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:09:43,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:43,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 47 transitions. [2022-11-21 23:09:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-21 23:09:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:09:43,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:43,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 49 transitions. [2022-11-21 23:09:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-11-21 23:09:43,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:09:43,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:43,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:44,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 53 transitions. [2022-11-21 23:09:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-21 23:09:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:09:44,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:09:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 61 transitions. [2022-11-21 23:09:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-21 23:09:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:09:44,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:44,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:09:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 66 transitions. [2022-11-21 23:09:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-21 23:09:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:09:44,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:09:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 46 transitions. [2022-11-21 23:09:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-21 23:09:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:09:44,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:09:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 48 transitions. [2022-11-21 23:09:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-21 23:09:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:09:45,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:45,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:09:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 52 transitions. [2022-11-21 23:09:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-21 23:09:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:09:45,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:09:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 51 transitions. [2022-11-21 23:09:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-21 23:09:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:09:45,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:45,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:09:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 54 transitions. [2022-11-21 23:09:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-21 23:09:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:09:46,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:46,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:09:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 54 transitions. [2022-11-21 23:09:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-11-21 23:09:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:09:46,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:46,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:09:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 64 transitions. [2022-11-21 23:09:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-21 23:09:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:09:47,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:09:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 70 transitions. [2022-11-21 23:09:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-21 23:09:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:09:48,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:48,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:09:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 60 states and 80 transitions. [2022-11-21 23:09:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2022-11-21 23:09:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:09:50,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:09:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 61 states and 80 transitions. [2022-11-21 23:09:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-21 23:09:51,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:09:51,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:51,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:09:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 90 transitions. [2022-11-21 23:09:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 23:09:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:09:52,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:52,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:09:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 69 states and 92 transitions. [2022-11-21 23:09:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-11-21 23:09:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:09:53,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:53,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 23:09:54,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 75 states and 101 transitions. [2022-11-21 23:09:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2022-11-21 23:09:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 23:09:54,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:54,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:09:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 80 states and 106 transitions. [2022-11-21 23:09:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2022-11-21 23:09:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:09:55,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 23:09:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 86 states and 116 transitions. [2022-11-21 23:09:57,438 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2022-11-21 23:09:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:09:57,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 23:09:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 88 states and 118 transitions. [2022-11-21 23:09:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2022-11-21 23:09:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:09:58,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 23:10:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 94 states and 126 transitions. [2022-11-21 23:10:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2022-11-21 23:10:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 23:10:00,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:00,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-21 23:10:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 99 states and 131 transitions. [2022-11-21 23:10:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2022-11-21 23:10:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:10:01,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-21 23:10:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 105 states and 141 transitions. [2022-11-21 23:10:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2022-11-21 23:10:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:10:03,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:03,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-21 23:10:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 107 states and 143 transitions. [2022-11-21 23:10:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2022-11-21 23:10:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:10:04,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:04,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-21 23:10:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 113 states and 151 transitions. [2022-11-21 23:10:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2022-11-21 23:10:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 23:10:06,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:06,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-21 23:10:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 118 states and 156 transitions. [2022-11-21 23:10:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-21 23:10:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:10:08,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:08,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 23:10:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 124 states and 166 transitions. [2022-11-21 23:10:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2022-11-21 23:10:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 23:10:10,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:10,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 23:10:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 126 states and 168 transitions. [2022-11-21 23:10:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2022-11-21 23:10:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-21 23:10:11,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-21 23:10:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 176 transitions. [2022-11-21 23:10:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 176 transitions. [2022-11-21 23:10:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 23:10:13,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-21 23:10:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 137 states and 181 transitions. [2022-11-21 23:10:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2022-11-21 23:10:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 23:10:15,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:15,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 23:10:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 143 states and 191 transitions. [2022-11-21 23:10:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-11-21 23:10:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 23:10:18,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:18,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 23:10:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:19,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 145 states and 193 transitions. [2022-11-21 23:10:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2022-11-21 23:10:19,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 23:10:19,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-21 23:10:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 151 states and 201 transitions. [2022-11-21 23:10:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 201 transitions. [2022-11-21 23:10:22,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 23:10:22,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 2 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 23:10:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 156 states and 206 transitions. [2022-11-21 23:10:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-11-21 23:10:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 23:10:24,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 23:10:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 162 states and 216 transitions. [2022-11-21 23:10:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2022-11-21 23:10:26,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 23:10:26,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:26,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 23:10:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 164 states and 218 transitions. [2022-11-21 23:10:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2022-11-21 23:10:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 23:10:28,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-21 23:10:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 170 states and 226 transitions. [2022-11-21 23:10:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 226 transitions. [2022-11-21 23:10:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 23:10:31,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:31,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 23:10:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 175 states and 231 transitions. [2022-11-21 23:10:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2022-11-21 23:10:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 23:10:33,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:10:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 181 states and 240 transitions. [2022-11-21 23:10:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2022-11-21 23:10:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 23:10:35,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:35,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:10:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 183 states and 242 transitions. [2022-11-21 23:10:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2022-11-21 23:10:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-21 23:10:37,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-21 23:10:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 189 states and 249 transitions. [2022-11-21 23:10:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 249 transitions. [2022-11-21 23:10:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-21 23:10:40,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:40,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:40,981 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 2 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:10:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 194 states and 254 transitions. [2022-11-21 23:10:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-21 23:10:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 23:10:43,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-21 23:11:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 180 states and 232 transitions. [2022-11-21 23:11:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2022-11-21 23:11:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 23:11:01,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:01,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 265 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-21 23:11:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 167 states and 212 transitions. [2022-11-21 23:11:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 212 transitions. [2022-11-21 23:11:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-21 23:11:04,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:04,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-21 23:11:05,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 164 states and 207 transitions. [2022-11-21 23:11:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-11-21 23:11:05,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:11:05,308 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-21 23:11:05,319 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:11:05,826 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:11:05,830 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:11:05,830 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:11:05,830 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:11:05,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:11:05 ImpRootNode [2022-11-21 23:11:05,831 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:11:05,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:11:05,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:11:05,832 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:11:05,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:42" (3/4) ... [2022-11-21 23:11:05,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:11:05,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-21 23:11:05,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 23:11:05,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:11:05,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:11:05,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:11:05,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:11:05,881 INFO L158 Benchmark]: Toolchain (without parser) took 84981.17ms. Allocated memory was 130.0MB in the beginning and 866.1MB in the end (delta: 736.1MB). Free memory was 96.6MB in the beginning and 485.9MB in the end (delta: -389.3MB). Peak memory consumption was 348.1MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,882 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:11:05,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.78ms. Allocated memory is still 130.0MB. Free memory was 96.6MB in the beginning and 75.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.55ms. Allocated memory is still 130.0MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,883 INFO L158 Benchmark]: Boogie Preprocessor took 28.51ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 71.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,883 INFO L158 Benchmark]: RCFGBuilder took 517.82ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 57.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,884 INFO L158 Benchmark]: CodeCheck took 83638.05ms. Allocated memory was 130.0MB in the beginning and 866.1MB in the end (delta: 736.1MB). Free memory was 57.5MB in the beginning and 488.0MB in the end (delta: -430.5MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,884 INFO L158 Benchmark]: Witness Printer took 49.34ms. Allocated memory is still 866.1MB. Free memory was 488.0MB in the beginning and 485.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:11:05,886 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: 83.1s, 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, 39.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9050 mSDsluCounter, 8584 SdHoareTripleChecker+Invalid, 33.0s 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, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18914 GetRequests, 17931 SyntacticMatches, 355 SemanticMatches, 628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225590 ImplicationChecksByTransitivity, 69.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.0s 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 0.21ms. Allocated memory is still 98.6MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.78ms. Allocated memory is still 130.0MB. Free memory was 96.6MB in the beginning and 75.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.55ms. Allocated memory is still 130.0MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.51ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 71.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.82ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 57.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 83638.05ms. Allocated memory was 130.0MB in the beginning and 866.1MB in the end (delta: 736.1MB). Free memory was 57.5MB in the beginning and 488.0MB in the end (delta: -430.5MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. * Witness Printer took 49.34ms. Allocated memory is still 866.1MB. Free memory was 488.0MB in the beginning and 485.9MB 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! [2022-11-21 23:11:05,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_626cd9c6-2718-4638-8125-ec20e1f2c3ac/bin/ukojak-jW3SillKbg/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