./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4 --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 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- 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-2329fc7 [2022-12-15 00:31:54,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:31:54,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:31:54,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:31:54,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:31:54,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:31:54,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:31:54,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:31:54,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:31:54,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:31:54,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:31:54,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:31:54,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:31:54,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:31:54,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:31:54,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:31:54,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:31:54,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:31:54,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:31:54,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:31:54,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:31:54,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:31:54,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:31:54,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:31:54,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:31:54,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:31:54,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:31:54,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:31:54,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:31:54,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:31:54,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:31:54,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:31:54,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:31:54,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:31:54,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:31:54,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:31:54,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:31:54,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:31:54,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:31:54,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:31:54,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:31:54,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:31:54,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:31:54,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:31:54,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:31:54,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:31:54,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:31:54,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:31:54,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:31:54,098 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:31:54,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:31:54,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:31:54,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:31:54,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:31:54,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:31:54,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:31:54,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:31:54,100 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:31:54,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:31:54,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:31:54,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:31:54,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:31:54,101 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:31:54,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:31:54,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:31:54,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:31:54,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:31:54,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:31:54,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:31:54,102 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:31:54,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:31:54,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:31:54,103 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_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2022-12-15 00:31:54,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:31:54,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:31:54,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:31:54,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:31:54,308 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:31:54,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2022-12-15 00:31:56,906 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:31:57,097 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:31:57,098 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2022-12-15 00:31:57,108 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/data/ea1c2118b/fda9b0ea06d04371a23a919c4b2463df/FLAG2e3657fa9 [2022-12-15 00:31:57,118 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/data/ea1c2118b/fda9b0ea06d04371a23a919c4b2463df [2022-12-15 00:31:57,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:31:57,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:31:57,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:31:57,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:31:57,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:31:57,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2130b767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57, skipping insertion in model container [2022-12-15 00:31:57,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:31:57,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:31:57,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:31:57,471 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:31:57,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:31:57,554 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:31:57,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57 WrapperNode [2022-12-15 00:31:57,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:31:57,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:31:57,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:31:57,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:31:57,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,595 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 53 [2022-12-15 00:31:57,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:31:57,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:31:57,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:31:57,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:31:57,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,617 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:31:57,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:31:57,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:31:57,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:31:57,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:31:57,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:31:57,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:31:57,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:31:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-15 00:31:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-15 00:31:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:31:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:31:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 00:31:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 00:31:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:31:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 00:31:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:31:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:31:57,786 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:31:57,788 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:31:57,907 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:31:57,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:31:57,941 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:31:57,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:57 BoogieIcfgContainer [2022-12-15 00:31:57,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:31:57,945 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:31:57,945 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:31:57,955 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:31:57,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:57" (1/1) ... [2022-12-15 00:31:57,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:31:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-12-15 00:31:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-15 00:31:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:31:58,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:31:58,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-12-15 00:31:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-12-15 00:31:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:31:58,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:31:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2022-12-15 00:31:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-15 00:31:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:31:58,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:31:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-12-15 00:31:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-15 00:31:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:31:58,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:31:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2022-12-15 00:31:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-12-15 00:31:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:31:58,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:31:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-12-15 00:31:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-12-15 00:31:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:31:58,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:31:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-12-15 00:31:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-12-15 00:31:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:31:58,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:31:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2022-12-15 00:31:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2022-12-15 00:31:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:31:58,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:31:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-12-15 00:31:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-12-15 00:31:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:31:59,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:31:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2022-12-15 00:31:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-12-15 00:31:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:31:59,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:31:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-12-15 00:31:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-12-15 00:31:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:31:59,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:31:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2022-12-15 00:31:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 00:31:59,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:31:59,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 00:31:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 53 transitions. [2022-12-15 00:31:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-12-15 00:31:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:31:59,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 00:31:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 62 transitions. [2022-12-15 00:31:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-12-15 00:31:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:31:59,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 00:31:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 65 transitions. [2022-12-15 00:31:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-12-15 00:31:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 00:31:59,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 00:32:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 70 transitions. [2022-12-15 00:32:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-12-15 00:32:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 00:32:00,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:00,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 00:32:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 79 transitions. [2022-12-15 00:32:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-12-15 00:32:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 00:32:00,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 00:32:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 84 transitions. [2022-12-15 00:32:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-12-15 00:32:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 00:32:00,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:00,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 00:32:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 93 transitions. [2022-12-15 00:32:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2022-12-15 00:32:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-15 00:32:01,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:01,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 00:32:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 98 transitions. [2022-12-15 00:32:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-12-15 00:32:01,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 00:32:01,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-15 00:32:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 107 transitions. [2022-12-15 00:32:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2022-12-15 00:32:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 00:32:02,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-15 00:32:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 88 states and 112 transitions. [2022-12-15 00:32:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2022-12-15 00:32:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 00:32:02,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:02,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-15 00:32:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 121 transitions. [2022-12-15 00:32:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2022-12-15 00:32:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 00:32:03,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-15 00:32:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 99 states and 126 transitions. [2022-12-15 00:32:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2022-12-15 00:32:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-15 00:32:03,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-15 00:32:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 135 transitions. [2022-12-15 00:32:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2022-12-15 00:32:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 00:32:04,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:04,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-15 00:32:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 110 states and 140 transitions. [2022-12-15 00:32:04,836 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2022-12-15 00:32:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 00:32:04,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-15 00:32:05,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 116 states and 149 transitions. [2022-12-15 00:32:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2022-12-15 00:32:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 00:32:05,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-15 00:32:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 154 transitions. [2022-12-15 00:32:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2022-12-15 00:32:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 00:32:06,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:06,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-12-15 00:32:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 163 transitions. [2022-12-15 00:32:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-15 00:32:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-15 00:32:06,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:06,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-12-15 00:32:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 132 states and 168 transitions. [2022-12-15 00:32:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2022-12-15 00:32:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-15 00:32:07,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:07,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 275 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 00:32:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 117 states and 148 transitions. [2022-12-15 00:32:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2022-12-15 00:32:14,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:32:14,883 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2022-12-15 00:32:14,889 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 00:32:15,080 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:32:15,083 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:32:15,083 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:32:15,083 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:32:15,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:32:15 ImpRootNode [2022-12-15 00:32:15,084 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:32:15,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:32:15,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:32:15,084 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:32:15,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:31:57" (3/4) ... [2022-12-15 00:32:15,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:32:15,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-15 00:32:15,093 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-15 00:32:15,093 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 00:32:15,093 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 00:32:15,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:32:15,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:32:15,116 INFO L158 Benchmark]: Toolchain (without parser) took 17994.86ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 93.7MB in the beginning and 158.1MB in the end (delta: -64.4MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,116 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:32:15,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.55ms. Allocated memory is still 127.9MB. Free memory was 93.4MB in the beginning and 72.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.69ms. Allocated memory is still 127.9MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,117 INFO L158 Benchmark]: Boogie Preprocessor took 23.45ms. Allocated memory is still 127.9MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,117 INFO L158 Benchmark]: RCFGBuilder took 323.35ms. Allocated memory is still 127.9MB. Free memory was 68.2MB in the beginning and 54.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,118 INFO L158 Benchmark]: CodeCheck took 17139.04ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 54.6MB in the beginning and 161.2MB in the end (delta: -106.7MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,118 INFO L158 Benchmark]: Witness Printer took 31.77ms. Allocated memory is still 224.4MB. Free memory was 161.2MB in the beginning and 158.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:32:15,119 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: 16.9s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3114 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1981 mSDsluCounter, 2490 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1644 mSDsCounter, 2279 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6920 IncrementalHoareTripleChecker+Invalid, 9199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2279 mSolverCounterUnsat, 846 mSDtfsCounter, 6920 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8998 GetRequests, 8661 SyntacticMatches, 29 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41632 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1280 ConstructedInterpolants, 0 QuantifiedInterpolants, 3129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 1364/3333 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: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: 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: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.55ms. Allocated memory is still 127.9MB. Free memory was 93.4MB in the beginning and 72.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.69ms. Allocated memory is still 127.9MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.45ms. Allocated memory is still 127.9MB. Free memory was 69.9MB in the beginning and 68.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.35ms. Allocated memory is still 127.9MB. Free memory was 68.2MB in the beginning and 54.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 17139.04ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 54.6MB in the beginning and 161.2MB in the end (delta: -106.7MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Witness Printer took 31.77ms. Allocated memory is still 224.4MB. Free memory was 161.2MB in the beginning and 158.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:32:15,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed63d2f-7cb5-46e1-8fae-39cafee6eda2/bin/ukojak-rkRKPMF4O4/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