./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- 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 [2022-12-13 19:26:24,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:26:24,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:26:24,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:26:24,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:26:24,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:26:24,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:26:24,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:26:24,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:26:24,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:26:24,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:26:24,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:26:24,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:26:24,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:26:24,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:26:24,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:26:24,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:26:24,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:26:24,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:26:24,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:26:24,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:26:24,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:26:24,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:26:24,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:26:24,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:26:24,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:26:24,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:26:24,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:26:24,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:26:24,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:26:24,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:26:24,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:26:24,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:26:24,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:26:24,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:26:24,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:26:24,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:26:24,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:26:24,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:26:24,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:26:24,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:26:24,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 19:26:24,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:26:24,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:26:24,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:26:24,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:26:24,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:26:24,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:26:24,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:26:24,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:26:24,417 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:26:24,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:26:24,418 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:26:24,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:26:24,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:26:24,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:26:24,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:26:24,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:26:24,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:26:24,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:26:24,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:26:24,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:26:24,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:26:24,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:26:24,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:26:24,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:26:24,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:26:24,421 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:26:24,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:26:24,421 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:26:24,421 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2022-12-13 19:26:24,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:26:24,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:26:24,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:26:24,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:26:24,610 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:26:24,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2022-12-13 19:26:27,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:26:27,278 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:26:27,278 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2022-12-13 19:26:27,282 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/data/4a4ff4451/2f244d2c37a049179c2c87fff99bffaf/FLAGd6193eedb [2022-12-13 19:26:27,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/data/4a4ff4451/2f244d2c37a049179c2c87fff99bffaf [2022-12-13 19:26:27,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:26:27,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:26:27,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:26:27,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:26:27,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:26:27,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8efa47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27, skipping insertion in model container [2022-12-13 19:26:27,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:26:27,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:26:27,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:26:27,846 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:26:27,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:26:27,865 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:26:27,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27 WrapperNode [2022-12-13 19:26:27,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:26:27,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:26:27,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:26:27,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:26:27,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,885 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-12-13 19:26:27,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:26:27,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:26:27,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:26:27,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:26:27,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:26:27,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:26:27,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:26:27,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:26:27,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (1/1) ... [2022-12-13 19:26:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:26:27,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:26:27,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:26:27,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:26:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:26:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:26:28,005 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:26:28,006 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:26:28,054 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:26:28,058 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:26:28,059 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:26:28,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:26:28 BoogieIcfgContainer [2022-12-13 19:26:28,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:26:28,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:26:28,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:26:28,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:26:28,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:26:27" (1/3) ... [2022-12-13 19:26:28,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21aa844c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:26:28, skipping insertion in model container [2022-12-13 19:26:28,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:27" (2/3) ... [2022-12-13 19:26:28,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21aa844c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:26:28, skipping insertion in model container [2022-12-13 19:26:28,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:26:28" (3/3) ... [2022-12-13 19:26:28,066 INFO L112 eAbstractionObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Fig1.c [2022-12-13 19:26:28,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:26:28,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 19:26:28,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:26:28,119 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@766a1094, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:26:28,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 19:26:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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) [2022-12-13 19:26:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 19:26:28,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:26:28,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:26:28,127 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:26:28,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:26:28,131 INFO L85 PathProgramCache]: Analyzing trace with hash 28699890, now seen corresponding path program 1 times [2022-12-13 19:26:28,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:26:28,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331744302] [2022-12-13 19:26:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:26:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:26:28,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331744302] [2022-12-13 19:26:28,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331744302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:26:28,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:26:28,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:26:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607308363] [2022-12-13 19:26:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:26:28,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:26:28,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:26:28,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:26:28,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:26:28,279 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 15 states have internal predecessors, (19), 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 2.5) 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) [2022-12-13 19:26:28,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:26:28,302 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-12-13 19:26:28,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:26:28,305 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 [2022-12-13 19:26:28,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:26:28,310 INFO L225 Difference]: With dead ends: 29 [2022-12-13 19:26:28,310 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 19:26:28,312 INFO L412 NwaCegarLoop]: 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 [2022-12-13 19:26:28,315 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:26:28,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:26:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 19:26:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-12-13 19:26:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 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) [2022-12-13 19:26:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-12-13 19:26:28,347 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2022-12-13 19:26:28,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:26:28,347 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-12-13 19:26:28,347 INFO L496 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) [2022-12-13 19:26:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-12-13 19:26:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 19:26:28,348 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:26:28,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:26:28,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:26:28,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:26:28,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:26:28,349 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2022-12-13 19:26:28,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:26:28,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814353094] [2022-12-13 19:26:28,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:26:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:26:28,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814353094] [2022-12-13 19:26:28,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814353094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:26:28,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:26:28,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:26:28,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794937703] [2022-12-13 19:26:28,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:26:28,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:26:28,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:26:28,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:26:28,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:26:28,380 INFO L87 Difference]: Start difference. First operand 11 states and 12 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) [2022-12-13 19:26:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:26:28,393 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-12-13 19:26:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:26:28,394 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 [2022-12-13 19:26:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:26:28,394 INFO L225 Difference]: With dead ends: 12 [2022-12-13 19:26:28,394 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 19:26:28,395 INFO L412 NwaCegarLoop]: 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 [2022-12-13 19:26:28,396 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:26:28,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:26:28,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 19:26:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-12-13 19:26:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-12-13 19:26:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-12-13 19:26:28,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5 [2022-12-13 19:26:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:26:28,399 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-12-13 19:26:28,399 INFO L496 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) [2022-12-13 19:26:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-12-13 19:26:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:26:28,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:26:28,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:26:28,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:26:28,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:26:28,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:26:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 889696651, now seen corresponding path program 1 times [2022-12-13 19:26:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:26:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415346641] [2022-12-13 19:26:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:26:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:26:28,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415346641] [2022-12-13 19:26:28,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415346641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:26:28,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:26:28,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:26:28,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844390597] [2022-12-13 19:26:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:26:28,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:26:28,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:26:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:26:28,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:26:28,438 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-12-13 19:26:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:26:28,459 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2022-12-13 19:26:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:26:28,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-12-13 19:26:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:26:28,460 INFO L225 Difference]: With dead ends: 10 [2022-12-13 19:26:28,460 INFO L226 Difference]: Without dead ends: 9 [2022-12-13 19:26:28,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:26:28,461 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:26:28,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:26:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-13 19:26:28,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 19:26:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2022-12-13 19:26:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2022-12-13 19:26:28,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2022-12-13 19:26:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:26:28,465 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-12-13 19:26:28,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-12-13 19:26:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-12-13 19:26:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:26:28,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:26:28,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:26:28,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:26:28,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:26:28,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:26:28,466 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times [2022-12-13 19:26:28,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:26:28,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459754209] [2022-12-13 19:26:28,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:26:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:26:28,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459754209] [2022-12-13 19:26:28,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459754209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:26:28,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:26:28,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:26:28,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560603388] [2022-12-13 19:26:28,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:26:28,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:26:28,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:26:28,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:26:28,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:26:28,493 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:26:28,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:26:28,510 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-12-13 19:26:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:26:28,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-12-13 19:26:28,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:26:28,511 INFO L225 Difference]: With dead ends: 16 [2022-12-13 19:26:28,511 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 19:26:28,512 INFO L412 NwaCegarLoop]: 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 [2022-12-13 19:26:28,513 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:26:28,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:26:28,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 19:26:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2022-12-13 19:26:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) 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) [2022-12-13 19:26:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-12-13 19:26:28,518 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6 [2022-12-13 19:26:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:26:28,518 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-12-13 19:26:28,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-13 19:26:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-13 19:26:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 19:26:28,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:26:28,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-12-13 19:26:28,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:26:28,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:26:28,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:26:28,520 INFO L85 PathProgramCache]: Analyzing trace with hash 760381159, now seen corresponding path program 1 times [2022-12-13 19:26:28,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:26:28,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174582359] [2022-12-13 19:26:28,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:26:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:26:28,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174582359] [2022-12-13 19:26:28,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174582359] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:26:28,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50649993] [2022-12-13 19:26:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:26:28,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:26:28,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:26:28,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:26:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:28,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:26:28,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:26:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:26:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:26:28,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50649993] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:26:28,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:26:28,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-13 19:26:28,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350574667] [2022-12-13 19:26:28,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:26:28,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:26:28,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:26:28,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:26:28,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:26:28,667 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-12-13 19:26:28,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:26:28,708 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2022-12-13 19:26:28,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:26:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 9 [2022-12-13 19:26:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:26:28,711 INFO L225 Difference]: With dead ends: 34 [2022-12-13 19:26:28,711 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 19:26:28,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:26:28,713 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 21 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:26:28,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:26:28,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 19:26:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2022-12-13 19:26:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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) [2022-12-13 19:26:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-12-13 19:26:28,720 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 9 [2022-12-13 19:26:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:26:28,720 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-12-13 19:26:28,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-12-13 19:26:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-12-13 19:26:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 19:26:28,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:26:28,721 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2022-12-13 19:26:28,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:26:28,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:26:28,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:26:28,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:26:28,926 INFO L85 PathProgramCache]: Analyzing trace with hash -757857363, now seen corresponding path program 2 times [2022-12-13 19:26:28,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:26:28,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409033756] [2022-12-13 19:26:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:26:28,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:26:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:26:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 19:26:29,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:26:29,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409033756] [2022-12-13 19:26:29,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409033756] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:26:29,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062209524] [2022-12-13 19:26:29,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:26:29,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:26:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:26:29,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:26:29,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:26:29,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 19:26:29,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:26:29,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:26:29,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:26:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 19:26:29,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:26:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 19:26:29,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062209524] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:26:29,190 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:26:29,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-12-13 19:26:29,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871101211] [2022-12-13 19:26:29,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:26:29,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:26:29,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:26:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:26:29,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:26:29,191 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-13 19:26:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:26:29,229 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-12-13 19:26:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:26:29,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 18 [2022-12-13 19:26:29,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:26:29,230 INFO L225 Difference]: With dead ends: 24 [2022-12-13 19:26:29,230 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:26:29,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:26:29,232 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:26:29,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 5 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:26:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:26:29,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:26:29,233 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) [2022-12-13 19:26:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:26:29,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-12-13 19:26:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:26:29,234 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:26:29,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-13 19:26:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:26:29,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:26:29,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 19:26:29,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 19:26:29,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 19:26:29,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 19:26:29,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:26:29,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 19:26:29,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:26:29,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2022-12-13 19:26:29,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:26:29,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-12-13 19:26:29,645 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 23) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~j~0#1|)) [2022-12-13 19:26:29,645 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 23) no Hoare annotation was computed. [2022-12-13 19:26:29,645 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~n~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648))) [2022-12-13 19:26:29,645 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 25) no Hoare annotation was computed. [2022-12-13 19:26:29,645 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:26:29,645 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 14 27) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2022-12-13 19:26:29,645 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:26:29,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2022-12-13 19:26:29,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-12-13 19:26:29,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:26:29,646 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-12-13 19:26:29,646 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-12-13 19:26:29,646 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2022-12-13 19:26:29,649 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-12-13 19:26:29,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:26:29,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:26:29 BoogieIcfgContainer [2022-12-13 19:26:29,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:26:29,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:26:29,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:26:29,661 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:26:29,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:26:28" (3/4) ... [2022-12-13 19:26:29,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:26:29,670 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 19:26:29,670 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 19:26:29,670 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:26:29,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:26:29,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:26:29,690 INFO L158 Benchmark]: Toolchain (without parser) took 1972.55ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 54.3kB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-12-13 19:26:29,690 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 87.7MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:26:29,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.89ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 76.6MB in the end (delta: 9.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 19:26:29,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.40ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 75.5MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:26:29,691 INFO L158 Benchmark]: Boogie Preprocessor took 14.18ms. Allocated memory is still 121.6MB. Free memory was 75.5MB in the beginning and 74.5MB in the end (delta: 975.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:26:29,691 INFO L158 Benchmark]: RCFGBuilder took 159.21ms. Allocated memory is still 121.6MB. Free memory was 74.5MB in the beginning and 65.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 19:26:29,691 INFO L158 Benchmark]: TraceAbstraction took 1598.78ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 64.6MB in the beginning and 88.0MB in the end (delta: -23.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-12-13 19:26:29,692 INFO L158 Benchmark]: Witness Printer took 29.13ms. Allocated memory is still 178.3MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:26:29,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 87.7MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.89ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 76.6MB in the end (delta: 9.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.40ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 75.5MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.18ms. Allocated memory is still 121.6MB. Free memory was 75.5MB in the beginning and 74.5MB in the end (delta: 975.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 159.21ms. Allocated memory is still 121.6MB. Free memory was 74.5MB in the beginning and 65.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1598.78ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 64.6MB in the beginning and 88.0MB in the end (delta: -23.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 29.13ms. Allocated memory is still 178.3MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 37 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=5, InterpolantAutomatonStates: 25, 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, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 11 NumberOfFragments, 29 HoareAnnotationTreeSize, 3 FomulaSimplifications, 203 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 328 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 SizeOfPredicates, 4 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 66/99 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: n <= 2147483647 && 0 <= i + 2147483648 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((n <= 2147483647 && 0 <= i + 2147483648) && i <= 2147483646) && 0 <= j RESULT: Ultimate proved your program to be correct! [2022-12-13 19:26:29,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_924adf91-b3f4-4332-9efc-fa6da615c5ae/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE