./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9 --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 c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- 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-6b4ec56 [2022-11-20 19:58:48,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:58:48,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:58:48,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:58:48,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:58:48,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:58:48,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:58:48,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:58:48,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:58:48,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:58:48,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:58:48,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:58:48,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:58:48,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:58:48,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:58:48,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:58:48,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:58:48,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:58:48,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:58:48,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:58:48,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:58:48,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:58:48,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:58:48,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:58:48,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:58:48,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:58:48,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:58:48,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:58:48,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:58:48,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:58:48,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:58:48,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:58:48,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:58:48,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:58:48,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:58:48,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:58:48,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:58:48,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:58:48,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:58:48,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:58:48,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:58:48,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 19:58:48,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:58:48,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:58:48,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:58:48,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:58:48,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:58:48,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:58:48,834 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:58:48,835 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:58:48,835 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:58:48,835 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:58:48,835 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:58:48,835 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:58:48,836 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:58:48,836 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:58:48,836 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:58:48,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:58:48,837 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:58:48,837 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:58:48,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:58:48,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:58:48,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:58:48,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:58:48,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:58:48,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:58:48,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:58:48,839 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:58:48,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:58:48,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:58:48,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:58:48,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:58:48,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:58:48,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:58:48,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:58:48,841 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:58:48,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:58:48,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:58:48,841 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:58:48,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:58:48,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:58:48,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:58:48,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2022-11-20 19:58:49,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:58:49,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:58:49,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:58:49,225 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:58:49,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:58:49,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2022-11-20 19:58:52,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:58:52,619 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:58:52,620 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2022-11-20 19:58:52,626 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/data/2ca692561/b54965b65d6a4ad0ac0473313993a509/FLAGcfcaf7f5b [2022-11-20 19:58:52,648 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/data/2ca692561/b54965b65d6a4ad0ac0473313993a509 [2022-11-20 19:58:52,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:58:52,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:58:52,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:58:52,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:58:52,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:58:52,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ce4ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52, skipping insertion in model container [2022-11-20 19:58:52,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:58:52,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:58:52,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:58:52,878 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:58:52,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:58:52,916 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:58:52,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52 WrapperNode [2022-11-20 19:58:52,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:58:52,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:58:52,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:58:52,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:58:52,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,956 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-20 19:58:52,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:58:52,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:58:52,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:58:52,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:58:52,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:52,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:58:52,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:58:52,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:58:52,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:58:52,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (1/1) ... [2022-11-20 19:58:53,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:58:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:58:53,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:58:53,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:58:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-11-20 19:58:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-11-20 19:58:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:58:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:58:53,170 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:58:53,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:58:53,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:58:53,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:58:53,364 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 19:58:53,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:58:53 BoogieIcfgContainer [2022-11-20 19:58:53,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:58:53,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:58:53,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:58:53,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:58:53,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:58:52" (1/3) ... [2022-11-20 19:58:53,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f1b16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:58:53, skipping insertion in model container [2022-11-20 19:58:53,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:58:52" (2/3) ... [2022-11-20 19:58:53,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f1b16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:58:53, skipping insertion in model container [2022-11-20 19:58:53,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:58:53" (3/3) ... [2022-11-20 19:58:53,386 INFO L112 eAbstractionObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2022-11-20 19:58:53,425 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:58:53,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 19:58:53,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:58:53,542 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5117dd0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:58:53,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 19:58:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 19:58:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 19:58:53,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:58:53,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 19:58:53,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 19:58:53,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:58:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1991738810, now seen corresponding path program 1 times [2022-11-20 19:58:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:58:53,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703441421] [2022-11-20 19:58:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:58:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:58:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:58:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:58:53,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:58:53,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703441421] [2022-11-20 19:58:53,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703441421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:58:53,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:58:53,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:58:53,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026535801] [2022-11-20 19:58:53,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:58:53,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:58:53,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:58:53,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:58:53,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:58:53,894 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:58:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:58:53,984 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-11-20 19:58:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:58:53,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 19:58:53,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:58:53,996 INFO L225 Difference]: With dead ends: 12 [2022-11-20 19:58:53,997 INFO L226 Difference]: Without dead ends: 10 [2022-11-20 19:58:53,999 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 [2022-11-20 19:58:54,003 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:58:54,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:58:54,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-20 19:58:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-20 19:58:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 19:58:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-20 19:58:54,040 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 6 [2022-11-20 19:58:54,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:58:54,041 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-20 19:58:54,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:58:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-20 19:58:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 19:58:54,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:58:54,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:58:54,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:58:54,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 19:58:54,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:58:54,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1614361000, now seen corresponding path program 1 times [2022-11-20 19:58:54,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:58:54,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537063778] [2022-11-20 19:58:54,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:58:54,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:58:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:58:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:58:54,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:58:54,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537063778] [2022-11-20 19:58:54,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537063778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:58:54,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:58:54,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:58:54,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627998334] [2022-11-20 19:58:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:58:54,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:58:54,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:58:54,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:58:54,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:58:54,197 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:58:54,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:58:54,225 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-11-20 19:58:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:58:54,226 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-20 19:58:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:58:54,226 INFO L225 Difference]: With dead ends: 10 [2022-11-20 19:58:54,227 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 19:58:54,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:58:54,229 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:58:54,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:58:54,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 19:58:54,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 19:58:54,232 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) [2022-11-20 19:58:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 19:58:54,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-11-20 19:58:54,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:58:54,233 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 19:58:54,233 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 19:58:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 19:58:54,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 19:58:54,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 19:58:54,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 19:58:54,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:58:54,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 19:58:54,294 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-11-20 19:58:54,295 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-11-20 19:58:54,295 INFO L899 garLoopResultBuilder]: For program point fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-20 19:58:54,295 INFO L899 garLoopResultBuilder]: For program point fooEXIT(lines 14 16) no Hoare annotation was computed. [2022-11-20 19:58:54,296 INFO L895 garLoopResultBuilder]: At program point fooENTRY(lines 14 16) the Hoare annotation is: (or (not (<= |old(~x~0)| 2147483647)) (not (<= 1 |old(~x~0)|)) (and (<= 1 ~x~0) (<= ~x~0 2147483647))) [2022-11-20 19:58:54,296 INFO L899 garLoopResultBuilder]: For program point fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-20 19:58:54,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 19:58:54,296 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 27) no Hoare annotation was computed. [2022-11-20 19:58:54,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 19:58:54,297 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (and (<= 1 ~x~0) (<= ~x~0 2147483647)) [2022-11-20 19:58:54,297 INFO L895 garLoopResultBuilder]: At program point L26-1(lines 22 28) the Hoare annotation is: (<= ~x~0 2147483647) [2022-11-20 19:58:54,298 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (and (<= 1 ~x~0) (<= ~x~0 2147483647)) [2022-11-20 19:58:54,301 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 19:58:54,304 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:58:54,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:58:54 BoogieIcfgContainer [2022-11-20 19:58:54,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:58:54,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:58:54,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:58:54,334 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:58:54,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:58:53" (3/4) ... [2022-11-20 19:58:54,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:58:54,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2022-11-20 19:58:54,351 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 19:58:54,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 19:58:54,352 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 19:58:54,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:58:54,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:58:54,413 INFO L158 Benchmark]: Toolchain (without parser) took 1757.64ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 110.0MB in the end (delta: 32.3MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-20 19:58:54,414 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:58:54,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.71ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 136.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-20 19:58:54,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.49ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 135.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:58:54,416 INFO L158 Benchmark]: Boogie Preprocessor took 34.28ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 134.3MB in the end (delta: 763.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:58:54,416 INFO L158 Benchmark]: RCFGBuilder took 375.37ms. Allocated memory is still 172.0MB. Free memory was 134.3MB in the beginning and 124.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:58:54,418 INFO L158 Benchmark]: TraceAbstraction took 957.77ms. Allocated memory is still 172.0MB. Free memory was 123.8MB in the beginning and 112.1MB in the end (delta: 11.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-20 19:58:54,420 INFO L158 Benchmark]: Witness Printer took 79.37ms. Allocated memory is still 172.0MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:58:54,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.71ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 136.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.49ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 135.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.28ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 134.3MB in the end (delta: 763.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.37ms. Allocated memory is still 172.0MB. Free memory was 134.3MB in the beginning and 124.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 957.77ms. Allocated memory is still 172.0MB. Free memory was 123.8MB in the beginning and 112.1MB in the end (delta: 11.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 79.37ms. Allocated memory is still 172.0MB. Free memory was 112.1MB in the beginning and 110.0MB 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 33 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 2 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-20 19:58:54,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a061dfd2-39e9-4752-8033-4459f43206aa/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE