./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/reducercommutativity/max10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/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_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/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_47d0ff0f-d13d-4930-8771-0c39ebcd8305/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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- 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 01:26:38,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:26:38,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:26:38,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:26:38,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:26:38,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:26:38,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:26:38,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:26:38,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:26:38,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:26:38,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:26:38,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:26:38,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:26:38,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:26:38,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:26:38,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:26:38,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:26:38,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:26:38,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:26:38,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:26:38,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:26:38,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:26:38,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:26:38,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:26:38,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:26:38,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:26:38,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:26:38,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:26:38,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:26:38,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:26:38,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:26:38,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:26:38,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:26:38,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:26:38,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:26:38,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:26:38,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:26:38,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:26:38,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:26:38,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:26:38,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:26:38,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:26:38,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:26:38,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:26:38,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:26:38,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:26:38,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:26:38,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:26:38,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:26:38,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:26:38,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:26:38,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:26:38,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:26:38,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:26:38,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:26:38,242 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:26:38,242 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:26:38,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:26:38,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:26:38,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:26:38,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:26:38,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:26:38,242 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:26:38,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:26:38,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:26:38,243 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_47d0ff0f-d13d-4930-8771-0c39ebcd8305/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2022-12-15 01:26:38,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:26:38,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:26:38,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:26:38,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:26:38,434 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:26:38,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2022-12-15 01:26:41,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:26:41,150 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:26:41,151 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/sv-benchmarks/c/reducercommutativity/max10-1.i [2022-12-15 01:26:41,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/data/8e13a6604/43a436487bb64d8cb07709bb4414275a/FLAGb5ceb0123 [2022-12-15 01:26:41,563 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/data/8e13a6604/43a436487bb64d8cb07709bb4414275a [2022-12-15 01:26:41,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:26:41,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:26:41,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:26:41,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:26:41,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:26:41,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852f6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41, skipping insertion in model container [2022-12-15 01:26:41,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:26:41,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:26:41,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-12-15 01:26:41,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:26:41,700 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:26:41,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-12-15 01:26:41,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:26:41,725 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:26:41,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41 WrapperNode [2022-12-15 01:26:41,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:26:41,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:26:41,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:26:41,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:26:41,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,750 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2022-12-15 01:26:41,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:26:41,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:26:41,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:26:41,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:26:41,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:26:41,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:26:41,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:26:41,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:26:41,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:41" (1/1) ... [2022-12-15 01:26:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:26:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:26:41,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:26:41,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure max [2022-12-15 01:26:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:26:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:26:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:26:41,881 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:26:41,882 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:26:42,002 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:26:42,048 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:26:42,048 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:26:42,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:26:42 BoogieIcfgContainer [2022-12-15 01:26:42,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:26:42,051 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:26:42,051 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:26:42,058 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:26:42,058 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:26:42" (1/1) ... [2022-12-15 01:26:42,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:26:42,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-12-15 01:26:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-12-15 01:26:42,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:26:42,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-12-15 01:26:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-12-15 01:26:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:26:42,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-12-15 01:26:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-12-15 01:26:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:26:42,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2022-12-15 01:26:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-15 01:26:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:26:42,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:26:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2022-12-15 01:26:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-15 01:26:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:26:42,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2022-12-15 01:26:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-15 01:26:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:26:42,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-12-15 01:26:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-15 01:26:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:26:42,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:26:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-12-15 01:26:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-12-15 01:26:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:26:42,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:26:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2022-12-15 01:26:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-12-15 01:26:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:26:42,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-12-15 01:26:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-12-15 01:26:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:26:43,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:43,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:43,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-12-15 01:26:43,449 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-15 01:26:43,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:26:43,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2022-12-15 01:26:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-12-15 01:26:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:26:43,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-12-15 01:26:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-12-15 01:26:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:26:44,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2022-12-15 01:26:44,329 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2022-12-15 01:26:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:26:44,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:44,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2022-12-15 01:26:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2022-12-15 01:26:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:26:44,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2022-12-15 01:26:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2022-12-15 01:26:45,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:26:45,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:45,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:26:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2022-12-15 01:26:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-12-15 01:26:45,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:26:45,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:45,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-15 01:26:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2022-12-15 01:26:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2022-12-15 01:26:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:26:45,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-15 01:26:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2022-12-15 01:26:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2022-12-15 01:26:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:26:46,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-15 01:26:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2022-12-15 01:26:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2022-12-15 01:26:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:26:46,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-15 01:26:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2022-12-15 01:26:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2022-12-15 01:26:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-15 01:26:46,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:26:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2022-12-15 01:26:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-12-15 01:26:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 01:26:46,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:26:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2022-12-15 01:26:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-12-15 01:26:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-15 01:26:46,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:26:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2022-12-15 01:26:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-12-15 01:26:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 01:26:46,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:26:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2022-12-15 01:26:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-12-15 01:26:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-15 01:26:46,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-15 01:26:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2022-12-15 01:26:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2022-12-15 01:26:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 01:26:47,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-12-15 01:26:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 63 states and 68 transitions. [2022-12-15 01:26:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2022-12-15 01:26:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 01:26:47,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:47,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-12-15 01:26:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 62 states and 67 transitions. [2022-12-15 01:26:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2022-12-15 01:26:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:26:47,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:47,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-12-15 01:26:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2022-12-15 01:26:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2022-12-15 01:26:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 01:26:48,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-12-15 01:26:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2022-12-15 01:26:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2022-12-15 01:26:48,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:26:48,303 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2022-12-15 01:26:48,312 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:26:48,475 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 01:26:48,482 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 01:26:48,482 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:26:48,482 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-12-15 01:26:48,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:26:48 ImpRootNode [2022-12-15 01:26:48,483 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:26:48,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:26:48,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:26:48,483 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:26:48,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:26:42" (3/4) ... [2022-12-15 01:26:48,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:26:48,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure max [2022-12-15 01:26:48,492 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:26:48,493 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 01:26:48,493 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 01:26:48,493 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:26:48,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:26:48,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:26:48,529 INFO L158 Benchmark]: Toolchain (without parser) took 6963.11ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 100.5MB in the beginning and 73.3MB in the end (delta: 27.2MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-12-15 01:26:48,529 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:26:48,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.08ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 89.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:26:48,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.09ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 88.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:26:48,530 INFO L158 Benchmark]: Boogie Preprocessor took 17.60ms. Allocated memory is still 132.1MB. Free memory was 88.0MB in the beginning and 86.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:26:48,530 INFO L158 Benchmark]: RCFGBuilder took 281.73ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 71.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:26:48,531 INFO L158 Benchmark]: CodeCheck took 6431.99ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 71.7MB in the beginning and 76.4MB in the end (delta: -4.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-15 01:26:48,531 INFO L158 Benchmark]: Witness Printer took 45.12ms. Allocated memory is still 165.7MB. Free memory was 76.4MB in the beginning and 73.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:26:48,533 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, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1294 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 642 mSDsluCounter, 280 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1935 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4485 IncrementalHoareTripleChecker+Invalid, 6420 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1935 mSolverCounterUnsat, 280 mSDtfsCounter, 4485 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5574 GetRequests, 5398 SyntacticMatches, 18 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11606 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 955 ConstructedInterpolants, 0 QuantifiedInterpolants, 1423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 14 PerfectInterpolantSequences, 2205/2634 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.08ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 89.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.09ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 88.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.60ms. Allocated memory is still 132.1MB. Free memory was 88.0MB in the beginning and 86.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.73ms. Allocated memory is still 132.1MB. Free memory was 86.8MB in the beginning and 71.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 6431.99ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 71.7MB in the beginning and 76.4MB in the end (delta: -4.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 45.12ms. Allocated memory is still 165.7MB. Free memory was 76.4MB in the beginning and 73.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:26:48,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d0ff0f-d13d-4930-8771-0c39ebcd8305/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