./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:50:40,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:50:40,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:50:40,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:50:40,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:50:40,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:50:40,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:50:40,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:50:40,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:50:40,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:50:40,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:50:40,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:50:40,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:50:40,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:50:40,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:50:40,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:50:40,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:50:40,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:50:40,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:50:40,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:50:40,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:50:40,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:50:40,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:50:40,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:50:40,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:50:40,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:50:40,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:50:40,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:50:40,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:50:40,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:50:40,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:50:40,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:50:40,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:50:40,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:50:40,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:50:40,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:50:40,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:50:40,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:50:40,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:50:40,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:50:40,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:50:40,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-29 05:50:40,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:50:40,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:50:40,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:50:40,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:50:40,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:50:40,288 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:50:40,288 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:50:40,289 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:50:40,295 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:50:40,295 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:50:40,296 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:50:40,296 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:50:40,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:50:40,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:50:40,297 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:50:40,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:50:40,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:50:40,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:50:40,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:50:40,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:50:40,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:50:40,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:50:40,300 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 05:50:40,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:50:40,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:50:40,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:50:40,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:50:40,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:50:40,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:40,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:50:40,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:50:40,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:50:40,304 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:50:40,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:50:40,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:50:40,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:50:40,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:50:40,306 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2021-10-29 05:50:40,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:50:40,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:50:40,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:50:40,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:50:40,617 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:50:40,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-29 05:50:40,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/data/eb05182e6/3a2c2be00f7b48e98419e27cb72015c5/FLAG6c06820dd [2021-10-29 05:50:41,133 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:50:41,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-29 05:50:41,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/data/eb05182e6/3a2c2be00f7b48e98419e27cb72015c5/FLAG6c06820dd [2021-10-29 05:50:41,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/data/eb05182e6/3a2c2be00f7b48e98419e27cb72015c5 [2021-10-29 05:50:41,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:50:41,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:50:41,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:41,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:50:41,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:50:41,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c2c8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41, skipping insertion in model container [2021-10-29 05:50:41,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:50:41,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:41,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:41,730 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:50:41,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:41,762 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:50:41,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41 WrapperNode [2021-10-29 05:50:41,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:41,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:50:41,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:50:41,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:50:41,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:50:41,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:50:41,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:50:41,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:50:41,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:50:41,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:50:41,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:50:41,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:50:41,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (1/1) ... [2021-10-29 05:50:41,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:41,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:50:41,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:50:41,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:50:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:50:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:50:42,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:50:42,168 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 05:50:42,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:42 BoogieIcfgContainer [2021-10-29 05:50:42,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:50:42,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:50:42,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:50:42,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:50:42,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:50:41" (1/3) ... [2021-10-29 05:50:42,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c740515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:50:42, skipping insertion in model container [2021-10-29 05:50:42,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41" (2/3) ... [2021-10-29 05:50:42,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c740515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:50:42, skipping insertion in model container [2021-10-29 05:50:42,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:42" (3/3) ... [2021-10-29 05:50:42,180 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-29 05:50:42,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:50:42,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 05:50:42,262 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:50:42,268 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:50:42,269 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:50:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 05:50:42,287 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:42,288 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 05:50:42,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-29 05:50:42,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:42,294 INFO L85 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2021-10-29 05:50:42,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:50:42,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593241678] [2021-10-29 05:50:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:42,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:50:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:42,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:50:42,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593241678] [2021-10-29 05:50:42,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593241678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:42,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:42,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:50:42,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131974238] [2021-10-29 05:50:42,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:50:42,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:50:42,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:50:42,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,514 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:42,576 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-10-29 05:50:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:42,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-29 05:50:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:42,587 INFO L225 Difference]: With dead ends: 22 [2021-10-29 05:50:42,587 INFO L226 Difference]: Without dead ends: 19 [2021-10-29 05:50:42,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-29 05:50:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2021-10-29 05:50:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-10-29 05:50:42,622 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 4 [2021-10-29 05:50:42,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:42,622 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-10-29 05:50:42,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-29 05:50:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 05:50:42,624 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:42,624 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 05:50:42,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:50:42,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-29 05:50:42,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash 964189, now seen corresponding path program 1 times [2021-10-29 05:50:42,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:50:42,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248532853] [2021-10-29 05:50:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:42,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:50:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:42,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:50:42,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248532853] [2021-10-29 05:50:42,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248532853] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:42,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:42,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:50:42,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768189878] [2021-10-29 05:50:42,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:50:42,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:50:42,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:50:42,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,687 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:42,708 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-10-29 05:50:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:42,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-29 05:50:42,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:42,710 INFO L225 Difference]: With dead ends: 13 [2021-10-29 05:50:42,710 INFO L226 Difference]: Without dead ends: 12 [2021-10-29 05:50:42,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-29 05:50:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-29 05:50:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-10-29 05:50:42,719 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 4 [2021-10-29 05:50:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:42,720 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-10-29 05:50:42,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 05:50:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 05:50:42,721 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:42,721 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-29 05:50:42,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:50:42,723 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-29 05:50:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:42,733 INFO L85 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2021-10-29 05:50:42,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:50:42,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302955161] [2021-10-29 05:50:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:42,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:50:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:42,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:50:42,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302955161] [2021-10-29 05:50:42,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302955161] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:42,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:42,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:50:42,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468654826] [2021-10-29 05:50:42,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:50:42,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:50:42,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:50:42,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,773 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:42,783 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-10-29 05:50:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:42,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-29 05:50:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:42,785 INFO L225 Difference]: With dead ends: 13 [2021-10-29 05:50:42,785 INFO L226 Difference]: Without dead ends: 12 [2021-10-29 05:50:42,785 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-29 05:50:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-29 05:50:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-10-29 05:50:42,788 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 5 [2021-10-29 05:50:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:42,788 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-29 05:50:42,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-29 05:50:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 05:50:42,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:42,790 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-29 05:50:42,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 05:50:42,790 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-29 05:50:42,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash 29889919, now seen corresponding path program 1 times [2021-10-29 05:50:42,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:50:42,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803970669] [2021-10-29 05:50:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:42,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:50:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:42,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:50:42,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803970669] [2021-10-29 05:50:42,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803970669] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:42,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:42,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:50:42,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382781332] [2021-10-29 05:50:42,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:50:42,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:50:42,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:50:42,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,817 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:42,839 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-10-29 05:50:42,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:42,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-29 05:50:42,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:42,839 INFO L225 Difference]: With dead ends: 11 [2021-10-29 05:50:42,840 INFO L226 Difference]: Without dead ends: 10 [2021-10-29 05:50:42,840 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-29 05:50:42,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-29 05:50:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-10-29 05:50:42,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 5 [2021-10-29 05:50:42,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:42,843 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-29 05:50:42,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-10-29 05:50:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 05:50:42,844 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:42,844 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-29 05:50:42,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 05:50:42,845 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-29 05:50:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:42,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1360166548, now seen corresponding path program 1 times [2021-10-29 05:50:42,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:50:42,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136992471] [2021-10-29 05:50:42,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:42,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:50:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 05:50:42,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:50:42,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136992471] [2021-10-29 05:50:42,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136992471] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:42,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:42,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:50:42,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729048424] [2021-10-29 05:50:42,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:50:42,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:50:42,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:50:42,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,882 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:42,897 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-10-29 05:50:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:42,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-29 05:50:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:42,898 INFO L225 Difference]: With dead ends: 13 [2021-10-29 05:50:42,898 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:50:42,899 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:50:42,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:50:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:50:42,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-10-29 05:50:42,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:42,900 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:50:42,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:42,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:50:42,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:50:42,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 05:50:42,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 05:50:42,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 05:50:42,905 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 05:50:42,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 05:50:42,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:50:42,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:42,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:42,930 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-10-29 05:50:42,930 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:50:42,930 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2021-10-29 05:50:42,931 INFO L853 garLoopResultBuilder]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= ULTIMATE.start_main_~i~0 4) (<= 0 (+ ULTIMATE.start_main_~i~0 2147483648)) (<= 0 ULTIMATE.start_main_~j~0)) [2021-10-29 05:50:42,931 INFO L857 garLoopResultBuilder]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2021-10-29 05:50:42,931 INFO L853 garLoopResultBuilder]: At program point L17-2(lines 17 23) the Hoare annotation is: (<= 0 (+ ULTIMATE.start_main_~i~0 2147483648)) [2021-10-29 05:50:42,931 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2021-10-29 05:50:42,932 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2021-10-29 05:50:42,932 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:50:42,932 INFO L857 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2021-10-29 05:50:42,932 INFO L857 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2021-10-29 05:50:42,932 INFO L857 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2021-10-29 05:50:42,936 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:50:42,937 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:50:42,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:50:42 BoogieIcfgContainer [2021-10-29 05:50:42,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:50:42,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:50:42,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:50:42,958 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:50:42,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:42" (3/4) ... [2021-10-29 05:50:42,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:50:42,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 05:50:42,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:50:42,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:50:43,004 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:50:43,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:50:43,006 INFO L168 Benchmark]: Toolchain (without parser) took 1473.21 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.2 MB in the beginning and 88.8 MB in the end (delta: -28.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:43,006 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:43,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.16 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.1 MB in the beginning and 91.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:43,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.47 ms. Allocated memory is still 113.2 MB. Free memory was 91.2 MB in the beginning and 89.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:43,008 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 113.2 MB. Free memory was 89.6 MB in the beginning and 89.1 MB in the end (delta: 501.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:43,008 INFO L168 Benchmark]: RCFGBuilder took 347.46 ms. Allocated memory is still 113.2 MB. Free memory was 88.6 MB in the beginning and 79.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:43,009 INFO L168 Benchmark]: TraceAbstraction took 777.13 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 45.1 MB in the end (delta: 34.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:43,009 INFO L168 Benchmark]: Witness Printer took 46.32 ms. Allocated memory is still 113.2 MB. Free memory was 90.9 MB in the beginning and 88.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:43,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.16 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 60.1 MB in the beginning and 91.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.47 ms. Allocated memory is still 113.2 MB. Free memory was 91.2 MB in the beginning and 89.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 113.2 MB. Free memory was 89.6 MB in the beginning and 89.1 MB in the end (delta: 501.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 347.46 ms. Allocated memory is still 113.2 MB. Free memory was 88.6 MB in the beginning and 79.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 777.13 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 45.1 MB in the end (delta: 34.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 46.32 ms. Allocated memory is still 113.2 MB. Free memory was 90.9 MB in the beginning and 88.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 28 SDslu, 7 SDs, 0 SdLazy, 36 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 17 HoareAnnotationTreeSize, 2 FomulaSimplifications, 29 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (i <= 4 && 0 <= i + 2147483648) && 0 <= j - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:50:43,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f5f653-d5e6-4754-8c3b-6398d0e92aa3/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...