./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/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_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/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 64bit --witnessprinter.graph.data.programhash b593e09c1e411bcfd0f33c8ec9270914844cea754607fa1ad6893957bd26d1f7 --- 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 23:10:45,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:10:45,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:10:45,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:10:45,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:10:45,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:10:45,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:10:45,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:10:45,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:10:45,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:10:45,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:10:45,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:10:45,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:10:45,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:10:45,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:10:45,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:10:45,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:10:45,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:10:45,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:10:45,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:10:45,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:10:45,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:10:45,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:10:45,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:10:45,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:10:45,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:10:45,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:10:45,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:10:45,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:10:45,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:10:45,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:10:45,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:10:45,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:10:45,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:10:45,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:10:45,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:10:45,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:10:45,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:10:45,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:10:45,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:10:45,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:10:45,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:10:45,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:10:45,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:10:45,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:10:45,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:10:45,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:10:45,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:10:45,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:10:45,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:10:45,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:10:45,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:10:45,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:10:45,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:10:45,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:10:45,235 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:10:45,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:10:45,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:10:45,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:10:45,236 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:10:45,236 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:10:45,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:10:45,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:10:45,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:10:45,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:10:45,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:10:45,237 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:10:45,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:10:45,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:10:45,238 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_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b593e09c1e411bcfd0f33c8ec9270914844cea754607fa1ad6893957bd26d1f7 [2022-11-21 23:10:45,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:10:45,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:10:45,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:10:45,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:10:45,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:10:45,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_good.i [2022-11-21 23:10:48,647 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:10:48,958 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:10:48,958 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_good.i [2022-11-21 23:10:48,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/data/ba3cf7da2/a38cb0036e87481b9d4091f22bd3db05/FLAG7bdb7ec54 [2022-11-21 23:10:48,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/data/ba3cf7da2/a38cb0036e87481b9d4091f22bd3db05 [2022-11-21 23:10:48,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:10:49,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:10:49,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:10:49,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:10:49,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:10:49,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:10:48" (1/1) ... [2022-11-21 23:10:49,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50438ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:49, skipping insertion in model container [2022-11-21 23:10:49,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:10:48" (1/1) ... [2022-11-21 23:10:49,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:10:49,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:10:49,502 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:10:50,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:10:50,133 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:10:50,176 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:10:50,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:10:50,450 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:10:50,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50 WrapperNode [2022-11-21 23:10:50,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:10:50,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:10:50,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:10:50,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:10:50,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,510 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-21 23:10:50,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:10:50,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:10:50,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:10:50,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:10:50,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:10:50,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:10:50,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:10:50,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:10:50,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:10:50" (1/1) ... [2022-11-21 23:10:50,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:10:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:10:50,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:10:50,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:10:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:10:50,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:10:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:10:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:10:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:10:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:10:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:10:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:10:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:10:50,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:10:50,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:10:51,128 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:10:51,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:10:51,221 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:10:51,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:10:51 BoogieIcfgContainer [2022-11-21 23:10:51,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:10:51,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:10:51,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:10:51,235 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:10:51,235 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:10:51" (1/1) ... [2022-11-21 23:10:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:10:51,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-21 23:10:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-21 23:10:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:10:51,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:51,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:51,834 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 23:10:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-21 23:10:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-21 23:10:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:10:51,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:52,050 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 23:10:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-21 23:10:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-21 23:10:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:10:52,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:52,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:10:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-21 23:10:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-21 23:10:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:10:52,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:52,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:10:52,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-21 23:10:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-21 23:10:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:10:52,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:52,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:10:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-21 23:10:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-21 23:10:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:10:53,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:53,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:10:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-21 23:10:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-21 23:10:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:10:53,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:10:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2022-11-21 23:10:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-21 23:10:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:10:53,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:53,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:10:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-21 23:10:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-21 23:10:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:10:53,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:10:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-11-21 23:10:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-21 23:10:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:10:53,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:10:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2022-11-21 23:10:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-21 23:10:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:10:54,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:54,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:10:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 48 transitions. [2022-11-21 23:10:54,369 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-21 23:10:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:10:54,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:10:54,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:54,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 49 transitions. [2022-11-21 23:10:54,439 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-21 23:10:54,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:10:54,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:54,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:10:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 43 transitions. [2022-11-21 23:10:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-11-21 23:10:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:10:54,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:54,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:10:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 47 transitions. [2022-11-21 23:10:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-21 23:10:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:10:55,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:55,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:10:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 52 transitions. [2022-11-21 23:10:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-21 23:10:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:10:56,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:10:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 62 transitions. [2022-11-21 23:10:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-21 23:10:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:10:57,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:10:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 65 transitions. [2022-11-21 23:10:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-21 23:10:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:10:57,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:57,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:10:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 66 transitions. [2022-11-21 23:10:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-21 23:10:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:10:57,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:10:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 67 transitions. [2022-11-21 23:10:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-21 23:10:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:10:57,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:10:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 43 transitions. [2022-11-21 23:10:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-21 23:10:58,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:10:58,298 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-21 23:10:58,306 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 23:10:58,412 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-21 23:10:58,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:10:58,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:10:58,425 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 23:10:58,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:10:58,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:10:58 ImpRootNode [2022-11-21 23:10:58,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:10:58,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:10:58,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:10:58,428 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:10:58,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:10:51" (3/4) ... [2022-11-21 23:10:58,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:10:58,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:10:58,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:10:58,448 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 23:10:58,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 23:10:58,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:10:58,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:10:58,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:10:58,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:10:58,520 INFO L158 Benchmark]: Toolchain (without parser) took 9519.21ms. Allocated memory was 130.0MB in the beginning and 220.2MB in the end (delta: 90.2MB). Free memory was 83.1MB in the beginning and 118.7MB in the end (delta: -35.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,520 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 103.3MB in the beginning and 103.2MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:10:58,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.95ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 83.1MB in the beginning and 120.7MB in the end (delta: -37.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.08ms. Allocated memory is still 182.5MB. Free memory was 120.7MB in the beginning and 117.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,521 INFO L158 Benchmark]: Boogie Preprocessor took 51.79ms. Allocated memory is still 182.5MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,521 INFO L158 Benchmark]: RCFGBuilder took 660.53ms. Allocated memory is still 182.5MB. Free memory was 115.3MB in the beginning and 94.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,522 INFO L158 Benchmark]: CodeCheck took 7202.35ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 94.3MB in the beginning and 121.9MB in the end (delta: -27.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,522 INFO L158 Benchmark]: Witness Printer took 91.64ms. Allocated memory is still 220.2MB. Free memory was 121.9MB in the beginning and 118.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:10:58,524 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 3 procedures, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1219 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 459 mSDsluCounter, 369 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 735 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2562 IncrementalHoareTripleChecker+Invalid, 3297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 735 mSolverCounterUnsat, 315 mSDtfsCounter, 2562 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2843 GetRequests, 2731 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4047 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 73/79 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data <= 2147483647) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 103.3MB in the beginning and 103.2MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.95ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 83.1MB in the beginning and 120.7MB in the end (delta: -37.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.08ms. Allocated memory is still 182.5MB. Free memory was 120.7MB in the beginning and 117.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.79ms. Allocated memory is still 182.5MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.53ms. Allocated memory is still 182.5MB. Free memory was 115.3MB in the beginning and 94.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7202.35ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 94.3MB in the beginning and 121.9MB in the end (delta: -27.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Witness Printer took 91.64ms. Allocated memory is still 220.2MB. Free memory was 121.9MB in the beginning and 118.7MB 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! [2022-11-21 23:10:58,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27ba8a-6e1c-4a1e-801d-91ec93b22600/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