./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0 --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 5d77ccce06a5eb83fb368250e0baa3072703c85ca9ba919f17c4260cdb623930 --- 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-e04fb08 [2022-11-16 19:29:55,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:29:55,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:29:55,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:29:55,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:29:55,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:29:55,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:29:55,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:29:55,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:29:55,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:29:55,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:29:55,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:29:55,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:29:55,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:29:55,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:29:55,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:29:55,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:29:55,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:29:55,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:29:55,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:29:55,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:29:55,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:29:55,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:29:55,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:29:55,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:29:55,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:29:55,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:29:55,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:29:55,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:29:55,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:29:55,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:29:55,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:29:55,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:29:55,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:29:55,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:29:55,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:29:55,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:29:55,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:29:55,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:29:55,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:29:55,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:29:55,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-16 19:29:55,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:29:55,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:29:55,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:29:55,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:29:55,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:29:55,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:29:55,754 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:29:55,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:29:55,754 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:29:55,755 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:29:55,756 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:29:55,756 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:29:55,756 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:29:55,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:29:55,757 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:29:55,757 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:29:55,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:29:55,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:29:55,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:29:55,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:29:55,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:29:55,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:29:55,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:29:55,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:29:55,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:29:55,759 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:29:55,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:29:55,761 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:29:55,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:29:55,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:29:55,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:29:55,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:29:55,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:29:55,763 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:29:55,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:29:55,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:29:55,763 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:29:55,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:29:55,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:29:55,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:29:55,764 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_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d77ccce06a5eb83fb368250e0baa3072703c85ca9ba919f17c4260cdb623930 [2022-11-16 19:29:56,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:29:56,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:29:56,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:29:56,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:29:56,090 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:29:56,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/termination-restricted-15/PastaB17.c [2022-11-16 19:29:56,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/data/2513c0368/8d1c466514ff4f50aa114c94ec140bf8/FLAG96559c9de [2022-11-16 19:29:56,590 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:29:56,590 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/sv-benchmarks/c/termination-restricted-15/PastaB17.c [2022-11-16 19:29:56,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/data/2513c0368/8d1c466514ff4f50aa114c94ec140bf8/FLAG96559c9de [2022-11-16 19:29:56,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/data/2513c0368/8d1c466514ff4f50aa114c94ec140bf8 [2022-11-16 19:29:56,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:29:56,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:29:56,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:29:56,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:29:56,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:29:56,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b6718a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56, skipping insertion in model container [2022-11-16 19:29:56,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:29:56,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:29:56,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:29:56,884 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:29:56,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:29:56,907 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:29:56,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56 WrapperNode [2022-11-16 19:29:56,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:29:56,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:29:56,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:29:56,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:29:56,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,935 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-16 19:29:56,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:29:56,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:29:56,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:29:56,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:29:56,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,961 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:29:56,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:29:56,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:29:56,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:29:56,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (1/1) ... [2022-11-16 19:29:56,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:29:56,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:57,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:29:57,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:29:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:29:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:29:57,119 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:29:57,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:29:57,207 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:29:57,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:29:57,230 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 19:29:57,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:57 BoogieIcfgContainer [2022-11-16 19:29:57,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:29:57,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:29:57,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:29:57,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:29:57,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:29:56" (1/3) ... [2022-11-16 19:29:57,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1a36a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:29:57, skipping insertion in model container [2022-11-16 19:29:57,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:56" (2/3) ... [2022-11-16 19:29:57,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1a36a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:29:57, skipping insertion in model container [2022-11-16 19:29:57,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:57" (3/3) ... [2022-11-16 19:29:57,241 INFO L112 eAbstractionObserver]: Analyzing ICFG PastaB17.c [2022-11-16 19:29:57,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:29:57,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 19:29:57,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:29:57,315 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;@2b556acc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:29:57,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 19:29:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:29:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 19:29:57,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:57,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 19:29:57,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:29:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2096582, now seen corresponding path program 1 times [2022-11-16 19:29:57,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:57,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072272016] [2022-11-16 19:29:57,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:57,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:57,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:57,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072272016] [2022-11-16 19:29:57,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072272016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:57,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:57,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:29:57,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746214955] [2022-11-16 19:29:57,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:57,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:29:57,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:57,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:29:57,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:29:57,536 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:29:57,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:57,568 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2022-11-16 19:29:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:29:57,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-16 19:29:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:57,577 INFO L225 Difference]: With dead ends: 12 [2022-11-16 19:29:57,578 INFO L226 Difference]: Without dead ends: 10 [2022-11-16 19:29:57,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:29:57,584 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5 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 [2022-11-16 19:29:57,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:29:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-16 19:29:57,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-16 19:29:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.5714285714285714) 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) [2022-11-16 19:29:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-16 19:29:57,615 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2022-11-16 19:29:57,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:57,616 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-16 19:29:57,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:29:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-16 19:29:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 19:29:57,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:57,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 19:29:57,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:29:57,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:29:57,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2097333, now seen corresponding path program 1 times [2022-11-16 19:29:57,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:57,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265782874] [2022-11-16 19:29:57,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:57,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:57,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:57,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265782874] [2022-11-16 19:29:57,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265782874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:57,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:57,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:29:57,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535822836] [2022-11-16 19:29:57,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:57,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:29:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:57,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:29:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:29:57,653 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:29:57,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:57,666 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2022-11-16 19:29:57,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:29:57,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-16 19:29:57,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:57,668 INFO L225 Difference]: With dead ends: 10 [2022-11-16 19:29:57,668 INFO L226 Difference]: Without dead ends: 9 [2022-11-16 19:29:57,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:29:57,670 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 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 [2022-11-16 19:29:57,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:29:57,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-16 19:29:57,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-16 19:29:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.4285714285714286) 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) [2022-11-16 19:29:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2022-11-16 19:29:57,674 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2022-11-16 19:29:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:57,675 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-16 19:29:57,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:29:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-11-16 19:29:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 19:29:57,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:57,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 19:29:57,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:29:57,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:29:57,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:57,677 INFO L85 PathProgramCache]: Analyzing trace with hash 64994096, now seen corresponding path program 1 times [2022-11-16 19:29:57,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:57,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333340402] [2022-11-16 19:29:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:57,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:57,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:57,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333340402] [2022-11-16 19:29:57,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333340402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:57,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:57,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:29:57,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232614737] [2022-11-16 19:29:57,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:57,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:29:57,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:57,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:29:57,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:29:57,748 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) 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) [2022-11-16 19:29:57,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:57,803 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-16 19:29:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:29:57,804 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), 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 [2022-11-16 19:29:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:57,804 INFO L225 Difference]: With dead ends: 9 [2022-11-16 19:29:57,804 INFO L226 Difference]: Without dead ends: 8 [2022-11-16 19:29:57,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:29:57,808 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6 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 [2022-11-16 19:29:57,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:29:57,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-16 19:29:57,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-16 19:29:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-11-16 19:29:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-11-16 19:29:57,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2022-11-16 19:29:57,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:57,811 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-11-16 19:29:57,811 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), 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) [2022-11-16 19:29:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 19:29:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 19:29:57,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:57,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 19:29:57,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:29:57,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-16 19:29:57,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:57,813 INFO L85 PathProgramCache]: Analyzing trace with hash 65017384, now seen corresponding path program 1 times [2022-11-16 19:29:57,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:57,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852042127] [2022-11-16 19:29:57,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:57,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:57,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:29:57,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852042127] [2022-11-16 19:29:57,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852042127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:57,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:57,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:29:57,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068994419] [2022-11-16 19:29:57,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:57,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:29:57,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:29:57,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:29:57,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:29:57,860 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) 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) [2022-11-16 19:29:57,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:57,882 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2022-11-16 19:29:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:29:57,883 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), 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 [2022-11-16 19:29:57,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:57,883 INFO L225 Difference]: With dead ends: 8 [2022-11-16 19:29:57,883 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 19:29:57,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:29:57,885 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2 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 [2022-11-16 19:29:57,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:29:57,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 19:29:57,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 19:29:57,887 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) [2022-11-16 19:29:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 19:29:57,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-16 19:29:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:57,888 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 19:29:57,888 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), 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) [2022-11-16 19:29:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 19:29:57,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 19:29:57,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-16 19:29:57,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-16 19:29:57,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-16 19:29:57,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-16 19:29:57,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:29:57,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 19:29:57,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-16 19:29:57,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 19:29:57,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-16 19:29:57,947 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-16 19:29:57,947 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-11-16 19:29:57,947 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-11-16 19:29:57,948 INFO L895 garLoopResultBuilder]: At program point L13-2(lines 13 18) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2022-11-16 19:29:57,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-16 19:29:57,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-16 19:29:57,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 19:29:57,949 INFO L895 garLoopResultBuilder]: At program point L14-2(lines 14 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2022-11-16 19:29:57,949 INFO L899 garLoopResultBuilder]: For program point L14-3(lines 14 16) no Hoare annotation was computed. [2022-11-16 19:29:57,952 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 19:29:57,967 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:29:57,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:29:57 BoogieIcfgContainer [2022-11-16 19:29:57,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:29:57,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:29:57,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:29:57,990 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:29:57,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:57" (3/4) ... [2022-11-16 19:29:57,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 19:29:58,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 19:29:58,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 19:29:58,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 19:29:58,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:29:58,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:29:58,061 INFO L158 Benchmark]: Toolchain (without parser) took 1449.75ms. Allocated memory is still 121.6MB. Free memory was 84.3MB in the beginning and 46.1MB in the end (delta: 38.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-16 19:29:58,062 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:29:58,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.81ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 98.9MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 19:29:58,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.55ms. Allocated memory is still 121.6MB. Free memory was 98.9MB in the beginning and 97.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:29:58,063 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 96.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:29:58,063 INFO L158 Benchmark]: RCFGBuilder took 264.75ms. Allocated memory is still 121.6MB. Free memory was 96.4MB in the beginning and 86.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 19:29:58,064 INFO L158 Benchmark]: TraceAbstraction took 751.06ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 48.8MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-16 19:29:58,064 INFO L158 Benchmark]: Witness Printer took 71.29ms. Allocated memory is still 121.6MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:29:58,067 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 121.6MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.81ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 98.9MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.55ms. Allocated memory is still 121.6MB. Free memory was 98.9MB in the beginning and 97.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 96.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 264.75ms. Allocated memory is still 121.6MB. Free memory was 96.4MB in the beginning and 86.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 751.06ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 48.8MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 71.29ms. Allocated memory is still 121.6MB. Free memory was 48.2MB in the beginning and 46.1MB 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 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 29 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (0 <= z + 2147483648 && x <= 2147483647) && y <= 2147483647 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((0 <= z + 2147483648 && x <= 2147483647) && 0 <= 2147483647 + x) && y <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-16 19:29:58,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b758cc44-aeb4-4965-b2a7-54888fa79e06/bin/utaipan-Xvt2sAort0/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