./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba --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 32bit --witnessprinter.graph.data.programhash d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e --- 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-b5237d8 [2022-11-22 01:41:43,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:41:43,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:41:43,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:41:43,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:41:43,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:41:43,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:41:43,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:41:43,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:41:43,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:41:43,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:41:43,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:41:43,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:41:43,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:41:43,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:41:43,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:41:43,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:41:43,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:41:43,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:41:43,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:41:43,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:41:43,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:41:43,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:41:43,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:41:43,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:41:43,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:41:43,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:41:43,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:41:43,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:41:43,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:41:43,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:41:43,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:41:43,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:41:43,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:41:43,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:41:43,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:41:43,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:41:43,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:41:43,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:41:43,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:41:43,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:41:43,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:41:43,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:41:43,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:41:43,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:41:43,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:41:43,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:41:43,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:41:43,679 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:41:43,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:41:43,680 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:41:43,680 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:41:43,680 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:41:43,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:41:43,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:41:43,681 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:41:43,681 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:41:43,681 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:41:43,681 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:41:43,682 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:41:43,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:41:43,683 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:41:43,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:41:43,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:41:43,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:41:43,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:41:43,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:41:43,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:41:43,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:41:43,685 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:41:43,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:41:43,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:41:43,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:41:43,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:41:43,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:41:43,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:41:43,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:41:43,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:41:43,687 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:41:43,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:41:43,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:41:43,688 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:41:43,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:41:43,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:41:43,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:41:43,689 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_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e [2022-11-22 01:41:43,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:41:43,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:41:43,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:41:43,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:41:43,999 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:41:44,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-22 01:41:47,347 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:41:47,631 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:41:47,632 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-22 01:41:47,640 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data/340706ce1/e0b08ea3a3d44d04af22d5fde624e2d6/FLAGf541321cc [2022-11-22 01:41:47,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data/340706ce1/e0b08ea3a3d44d04af22d5fde624e2d6 [2022-11-22 01:41:47,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:41:47,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:41:47,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:41:47,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:41:47,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:41:47,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:41:47" (1/1) ... [2022-11-22 01:41:47,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd14bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:47, skipping insertion in model container [2022-11-22 01:41:47,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:41:47" (1/1) ... [2022-11-22 01:41:47,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:41:47,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:41:47,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-22 01:41:47,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:41:47,959 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:41:47,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-22 01:41:47,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:41:48,023 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:41:48,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48 WrapperNode [2022-11-22 01:41:48,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:41:48,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:41:48,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:41:48,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:41:48,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,094 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-22 01:41:48,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:41:48,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:41:48,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:41:48,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:41:48,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,136 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:41:48,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:41:48,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:41:48,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:41:48,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (1/1) ... [2022-11-22 01:41:48,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:41:48,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:41:48,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:41:48,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:41:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:41:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:41:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:41:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:41:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:41:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:41:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:41:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:41:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:41:48,327 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:41:48,329 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:41:48,608 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:41:48,730 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:41:48,730 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:41:48,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:48 BoogieIcfgContainer [2022-11-22 01:41:48,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:41:48,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:41:48,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:41:48,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:41:48,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:41:47" (1/3) ... [2022-11-22 01:41:48,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7197afb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:41:48, skipping insertion in model container [2022-11-22 01:41:48,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:48" (2/3) ... [2022-11-22 01:41:48,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7197afb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:41:48, skipping insertion in model container [2022-11-22 01:41:48,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:48" (3/3) ... [2022-11-22 01:41:48,746 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_cond_init.i [2022-11-22 01:41:48,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:41:48,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-22 01:41:48,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:41:48,834 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;@1022d373, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:41:48,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-22 01:41:48,839 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) [2022-11-22 01:41:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 01:41:48,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:48,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 01:41:48,846 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)] === [2022-11-22 01:41:48,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:48,853 INFO L85 PathProgramCache]: Analyzing trace with hash 98633, now seen corresponding path program 1 times [2022-11-22 01:41:48,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:48,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803147688] [2022-11-22 01:41:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:49,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:49,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803147688] [2022-11-22 01:41:49,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803147688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:49,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:49,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:41:49,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431663273] [2022-11-22 01:41:49,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:49,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:49,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:49,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:49,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:49,315 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-11-22 01:41:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:49,415 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-22 01:41:49,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:41:49,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-11-22 01:41:49,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:49,427 INFO L225 Difference]: With dead ends: 28 [2022-11-22 01:41:49,428 INFO L226 Difference]: Without dead ends: 19 [2022-11-22 01:41:49,431 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 [2022-11-22 01:41:49,435 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:49,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 16 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:41:49,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-22 01:41:49,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2022-11-22 01:41:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-22 01:41:49,477 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 3 [2022-11-22 01:41:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:49,478 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-22 01:41:49,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-11-22 01:41:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-22 01:41:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:41:49,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:49,483 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-22 01:41:49,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:41:49,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:41:49,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1356535244, now seen corresponding path program 1 times [2022-11-22 01:41:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:49,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234017176] [2022-11-22 01:41:49,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:41:49,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:49,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234017176] [2022-11-22 01:41:49,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234017176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:49,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:49,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:41:49,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889586240] [2022-11-22 01:41:49,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:49,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:41:49,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:49,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:41:49,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:41:49,746 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:49,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:49,787 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-22 01:41:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:41:49,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 01:41:49,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:49,790 INFO L225 Difference]: With dead ends: 14 [2022-11-22 01:41:49,791 INFO L226 Difference]: Without dead ends: 13 [2022-11-22 01:41:49,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:41:49,793 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:49,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:41:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-22 01:41:49,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-22 01:41:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-22 01:41:49,797 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2022-11-22 01:41:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:49,798 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-22 01:41:49,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-22 01:41:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:41:49,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:49,799 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-22 01:41:49,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:41:49,800 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)] === [2022-11-22 01:41:49,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:49,801 INFO L85 PathProgramCache]: Analyzing trace with hash 897080451, now seen corresponding path program 1 times [2022-11-22 01:41:49,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:49,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571586998] [2022-11-22 01:41:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:49,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:50,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:50,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571586998] [2022-11-22 01:41:50,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571586998] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:41:50,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054564559] [2022-11-22 01:41:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:50,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:41:50,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:41:50,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:41:50,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:41:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:50,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:41:50,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:41:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:50,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:41:50,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054564559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:50,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:41:50,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-22 01:41:50,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716831530] [2022-11-22 01:41:50,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:50,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:41:50,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:50,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:41:50,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:41:50,426 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:50,521 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-22 01:41:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:41:50,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:41:50,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:50,525 INFO L225 Difference]: With dead ends: 18 [2022-11-22 01:41:50,526 INFO L226 Difference]: Without dead ends: 17 [2022-11-22 01:41:50,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:41:50,531 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:50,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:41:50,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-22 01:41:50,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 10. [2022-11-22 01:41:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-11-22 01:41:50,537 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2022-11-22 01:41:50,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:50,537 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-11-22 01:41:50,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:41:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-22 01:41:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:41:50,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:50,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:41:50,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:41:50,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:41:50,746 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:41:50,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:50,746 INFO L85 PathProgramCache]: Analyzing trace with hash 897084108, now seen corresponding path program 1 times [2022-11-22 01:41:50,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:50,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609143615] [2022-11-22 01:41:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:50,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:50,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:50,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609143615] [2022-11-22 01:41:50,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609143615] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:41:50,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090048489] [2022-11-22 01:41:50,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:50,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:41:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:41:50,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:41:50,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:41:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:50,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:41:50,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:41:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:51,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:41:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:51,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090048489] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:41:51,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1389622421] [2022-11-22 01:41:51,096 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-22 01:41:51,096 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:41:51,100 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:41:51,106 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:41:51,107 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:41:51,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-22 01:41:51,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-22 01:41:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 152 [2022-11-22 01:41:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 144 [2022-11-22 01:41:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 102 [2022-11-22 01:41:51,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,665 INFO L321 Elim1Store]: treesize reduction 68, result has 11.7 percent of original size [2022-11-22 01:41:51,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 127 [2022-11-22 01:41:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,870 INFO L321 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2022-11-22 01:41:51,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 97 treesize of output 146 [2022-11-22 01:41:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:51,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-22 01:41:52,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-22 01:41:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,375 INFO L321 Elim1Store]: treesize reduction 48, result has 18.6 percent of original size [2022-11-22 01:41:52,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 28 [2022-11-22 01:41:52,484 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-22 01:41:52,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 7 [2022-11-22 01:41:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,532 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:41:52,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 377 treesize of output 365 [2022-11-22 01:41:52,635 INFO L321 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2022-11-22 01:41:52,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 367 treesize of output 356 [2022-11-22 01:41:52,894 INFO L321 Elim1Store]: treesize reduction 71, result has 18.4 percent of original size [2022-11-22 01:41:52,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 590 treesize of output 591 [2022-11-22 01:41:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:52,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 13 [2022-11-22 01:41:53,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:41:53,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 108 [2022-11-22 01:41:53,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:53,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:53,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:41:53,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 102 [2022-11-22 01:41:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:41:53,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:41:55,516 INFO L321 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2022-11-22 01:41:55,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2035 treesize of output 2018 [2022-11-22 01:41:58,358 INFO L321 Elim1Store]: treesize reduction 371, result has 9.5 percent of original size [2022-11-22 01:41:58,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2093 treesize of output 2123 [2022-11-22 01:41:58,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:01,944 INFO L321 Elim1Store]: treesize reduction 508, result has 9.9 percent of original size [2022-11-22 01:42:01,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 8 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 2785 treesize of output 2816 [2022-11-22 01:42:02,355 INFO L321 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-11-22 01:42:02,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1848 treesize of output 1847 [2022-11-22 01:42:02,717 INFO L321 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2022-11-22 01:42:02,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1937 treesize of output 1927 [2022-11-22 01:42:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-22 01:42:03,379 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-22 01:42:03,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 7 [2022-11-22 01:42:03,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:03,545 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 422 [2022-11-22 01:42:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 385 treesize of output 480 [2022-11-22 01:42:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 494 [2022-11-22 01:42:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:03,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 357 [2022-11-22 01:42:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 132 [2022-11-22 01:42:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 171 [2022-11-22 01:42:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 119 [2022-11-22 01:42:04,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:04,062 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 423 [2022-11-22 01:42:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 385 treesize of output 464 [2022-11-22 01:42:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 518 [2022-11-22 01:42:04,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 280 [2022-11-22 01:42:04,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 513 [2022-11-22 01:42:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 151 [2022-11-22 01:42:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 81 [2022-11-22 01:42:04,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:04,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 536 treesize of output 515 [2022-11-22 01:42:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 733 treesize of output 684 [2022-11-22 01:42:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 598 treesize of output 623 [2022-11-22 01:42:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:04,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 590 treesize of output 565 [2022-11-22 01:42:04,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:04,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 127 [2022-11-22 01:42:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:05,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:05,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 127 [2022-11-22 01:42:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:06,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,369 WARN L233 SmtUtils]: Spent 18.08s on a formula simplification. DAG size of input: 466 DAG size of output: 50 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:42:24,370 INFO L321 Elim1Store]: treesize reduction 6691, result has 1.1 percent of original size [2022-11-22 01:42:24,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 11 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 84 case distinctions, treesize of input 11469 treesize of output 11223 [2022-11-22 01:42:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:24,829 INFO L321 Elim1Store]: treesize reduction 64, result has 14.7 percent of original size [2022-11-22 01:42:24,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 36 [2022-11-22 01:42:33,542 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 33 DAG size of output: 10 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:42:33,542 INFO L321 Elim1Store]: treesize reduction 58, result has 15.9 percent of original size [2022-11-22 01:42:33,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 23417 treesize of output 23333 [2022-11-22 01:42:36,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:36,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:36,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:42,726 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 33 DAG size of output: 15 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:42:42,727 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-11-22 01:42:42,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 23507 treesize of output 23358 [2022-11-22 01:42:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:46,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 132 [2022-11-22 01:42:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:46,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 136 [2022-11-22 01:42:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:46,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 116 [2022-11-22 01:42:46,846 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-22 01:42:46,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 135 [2022-11-22 01:42:46,925 INFO L321 Elim1Store]: treesize reduction 40, result has 46.7 percent of original size [2022-11-22 01:42:46,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 97 treesize of output 150 [2022-11-22 01:42:47,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 3 [2022-11-22 01:42:47,039 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:47,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 7 [2022-11-22 01:42:47,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:47,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:42:47,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 3 [2022-11-22 01:42:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 325 [2022-11-22 01:42:47,216 INFO L321 Elim1Store]: treesize reduction 33, result has 41.1 percent of original size [2022-11-22 01:42:47,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 358 treesize of output 334 [2022-11-22 01:42:47,332 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-22 01:42:47,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 379 treesize of output 394 [2022-11-22 01:42:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,394 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 01:42:47,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 50 [2022-11-22 01:42:47,569 INFO L321 Elim1Store]: treesize reduction 33, result has 43.1 percent of original size [2022-11-22 01:42:47,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 920 treesize of output 859 [2022-11-22 01:42:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 739 treesize of output 733 [2022-11-22 01:42:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,676 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:42:47,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2022-11-22 01:42:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:47,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-22 01:42:47,916 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-22 01:42:47,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 26 [2022-11-22 01:42:47,968 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-22 01:42:47,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 26 [2022-11-22 01:42:48,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:48,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-22 01:42:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-22 01:42:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2022-11-22 01:42:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2022-11-22 01:42:48,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 86 [2022-11-22 01:42:48,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:48,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2022-11-22 01:42:48,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2022-11-22 01:42:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2022-11-22 01:42:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2022-11-22 01:42:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:48,658 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-22 01:42:48,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 265 treesize of output 261 [2022-11-22 01:42:48,802 INFO L321 Elim1Store]: treesize reduction 45, result has 28.6 percent of original size [2022-11-22 01:42:48,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 237 treesize of output 260 [2022-11-22 01:42:48,924 INFO L321 Elim1Store]: treesize reduction 18, result has 50.0 percent of original size [2022-11-22 01:42:48,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 219 treesize of output 221 [2022-11-22 01:42:49,307 INFO L321 Elim1Store]: treesize reduction 210, result has 26.1 percent of original size [2022-11-22 01:42:49,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 197 treesize of output 277 [2022-11-22 01:42:49,523 INFO L321 Elim1Store]: treesize reduction 145, result has 20.3 percent of original size [2022-11-22 01:42:49,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 175 treesize of output 224 [2022-11-22 01:42:51,648 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:51,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:51,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-22 01:42:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:52,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-22 01:42:52,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,131 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,155 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,214 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:52,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 76 [2022-11-22 01:42:52,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:52,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-22 01:42:52,669 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,694 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,721 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,753 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:52,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-22 01:42:52,859 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:52,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-22 01:42:53,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:53,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2022-11-22 01:42:53,097 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:53,950 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-22 01:42:53,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 19 [2022-11-22 01:42:54,115 INFO L321 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2022-11-22 01:42:54,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2881 treesize of output 2822 [2022-11-22 01:42:54,494 INFO L321 Elim1Store]: treesize reduction 51, result has 41.4 percent of original size [2022-11-22 01:42:54,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 3064 treesize of output 3075 [2022-11-22 01:42:56,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,405 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:56,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:56,484 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,514 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,574 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:56,645 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,670 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,697 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:56,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:56,933 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:56,977 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:57,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,076 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,130 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:57,186 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,208 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,231 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:57,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:57,471 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,511 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:57,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,642 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:57,687 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,717 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,740 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:57,906 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,948 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:57,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:57,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:58,015 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:58,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:58,088 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:58,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:58,137 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:58,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:58,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:42:58,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-22 01:42:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:58,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 68 [2022-11-22 01:42:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:58,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1140 treesize of output 1141 [2022-11-22 01:42:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:58,705 INFO L321 Elim1Store]: treesize reduction 49, result has 2.0 percent of original size [2022-11-22 01:42:58,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 864 treesize of output 756 [2022-11-22 01:42:59,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:59,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 348 [2022-11-22 01:42:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:59,432 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-22 01:42:59,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 377 treesize of output 388 [2022-11-22 01:42:59,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:42:59,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 368 [2022-11-22 01:42:59,900 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:00,188 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:00,378 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:00,473 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:00,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:01,592 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:01,609 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:43:08,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:08,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:08,596 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:43:08,600 INFO L158 Benchmark]: Toolchain (without parser) took 80932.08ms. Allocated memory was 161.5MB in the beginning and 406.8MB in the end (delta: 245.4MB). Free memory was 119.1MB in the beginning and 294.1MB in the end (delta: -175.1MB). Peak memory consumption was 234.8MB. Max. memory is 16.1GB. [2022-11-22 01:43:08,600 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:43:08,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.97ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 107.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:43:08,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.89ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:43:08,601 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 161.5MB. Free memory was 106.4MB in the beginning and 105.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:43:08,601 INFO L158 Benchmark]: RCFGBuilder took 594.75ms. Allocated memory is still 161.5MB. Free memory was 105.0MB in the beginning and 86.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:43:08,602 INFO L158 Benchmark]: TraceAbstraction took 79862.43ms. Allocated memory was 161.5MB in the beginning and 406.8MB in the end (delta: 245.4MB). Free memory was 85.5MB in the beginning and 294.1MB in the end (delta: -208.6MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2022-11-22 01:43:08,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.97ms. Allocated memory is still 161.5MB. Free memory was 118.8MB in the beginning and 107.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.89ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 161.5MB. Free memory was 106.4MB in the beginning and 105.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.75ms. Allocated memory is still 161.5MB. Free memory was 105.0MB in the beginning and 86.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 79862.43ms. Allocated memory was 161.5MB in the beginning and 406.8MB in the end (delta: 245.4MB). Free memory was 85.5MB in the beginning and 294.1MB in the end (delta: -208.6MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 01:43:08,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba --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 32bit --witnessprinter.graph.data.programhash d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e --- 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-b5237d8 [2022-11-22 01:43:10,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:43:10,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:43:10,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:43:10,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:43:10,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:43:10,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:43:10,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:43:10,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:43:10,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:43:10,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:43:10,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:43:10,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:43:10,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:43:10,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:43:10,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:43:10,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:43:10,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:43:10,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:43:11,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:43:11,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:43:11,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:43:11,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:43:11,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:43:11,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:43:11,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:43:11,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:43:11,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:43:11,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:43:11,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:43:11,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:43:11,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:43:11,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:43:11,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:43:11,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:43:11,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:43:11,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:43:11,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:43:11,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:43:11,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:43:11,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:43:11,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-22 01:43:11,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:43:11,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:43:11,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:43:11,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:43:11,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:43:11,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:43:11,097 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:43:11,097 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:43:11,097 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:43:11,098 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:43:11,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:43:11,099 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:43:11,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:43:11,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:43:11,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:43:11,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:43:11,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:43:11,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:43:11,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:43:11,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:43:11,102 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:43:11,102 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:43:11,102 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:43:11,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:43:11,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:43:11,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:43:11,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:43:11,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:43:11,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:43:11,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:43:11,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:43:11,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:11,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:43:11,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:43:11,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:43:11,106 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:43:11,106 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:11,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:43:11,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:43:11,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:43:11,107 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e [2022-11-22 01:43:11,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:43:11,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:43:11,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:43:11,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:43:11,531 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:43:11,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-22 01:43:14,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:43:15,011 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:43:15,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2022-11-22 01:43:15,017 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data/3c5d9c136/8448ebba465148f6abcca48ab47a9569/FLAG42976f2c4 [2022-11-22 01:43:15,032 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/data/3c5d9c136/8448ebba465148f6abcca48ab47a9569 [2022-11-22 01:43:15,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:43:15,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:43:15,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:43:15,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:43:15,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:43:15,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7295e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15, skipping insertion in model container [2022-11-22 01:43:15,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:43:15,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:43:15,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-22 01:43:15,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:15,360 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-22 01:43:15,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:43:15,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-22 01:43:15,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:15,413 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:43:15,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2022-11-22 01:43:15,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:15,499 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:43:15,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15 WrapperNode [2022-11-22 01:43:15,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:43:15,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:43:15,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:43:15,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:43:15,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,563 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2022-11-22 01:43:15,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:43:15,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:43:15,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:43:15,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:43:15,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:43:15,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:43:15,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:43:15,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:43:15,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (1/1) ... [2022-11-22 01:43:15,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:15,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:15,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:43:15,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:43:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:43:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:43:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:43:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:43:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:43:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 01:43:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:43:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:43:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 01:43:15,893 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:43:15,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:43:16,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:43:16,158 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:43:16,158 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:43:16,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:16 BoogieIcfgContainer [2022-11-22 01:43:16,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:43:16,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:43:16,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:43:16,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:43:16,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:43:15" (1/3) ... [2022-11-22 01:43:16,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1306d642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:16, skipping insertion in model container [2022-11-22 01:43:16,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:15" (2/3) ... [2022-11-22 01:43:16,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1306d642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:16, skipping insertion in model container [2022-11-22 01:43:16,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:16" (3/3) ... [2022-11-22 01:43:16,170 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_cond_init.i [2022-11-22 01:43:16,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:43:16,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-22 01:43:16,240 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:43:16,247 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;@840d903, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:43:16,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-22 01:43:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 25 states have internal predecessors, (32), 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) [2022-11-22 01:43:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:43:16,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:16,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:16,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:43:16,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash 224521191, now seen corresponding path program 1 times [2022-11-22 01:43:16,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:16,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71960259] [2022-11-22 01:43:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:16,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:16,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:16,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:43:16,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 01:43:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:16,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:43:16,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:16,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:16,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:16,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71960259] [2022-11-22 01:43:16,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71960259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:16,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:16,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:16,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849042564] [2022-11-22 01:43:16,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:16,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:16,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:16,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:16,540 INFO L87 Difference]: Start difference. First operand has 26 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 25 states have internal predecessors, (32), 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, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 01:43:16,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:16,616 INFO L93 Difference]: Finished difference Result 57 states and 76 transitions. [2022-11-22 01:43:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:16,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-22 01:43:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:16,628 INFO L225 Difference]: With dead ends: 57 [2022-11-22 01:43:16,628 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 01:43:16,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:16,636 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:16,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 38 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:43:16,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 01:43:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 20. [2022-11-22 01:43:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-11-22 01:43:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-22 01:43:16,670 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 8 [2022-11-22 01:43:16,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:16,671 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-22 01:43:16,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-22 01:43:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-22 01:43:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:43:16,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:16,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:16,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-22 01:43:16,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:16,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:43:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash 265452040, now seen corresponding path program 1 times [2022-11-22 01:43:16,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:16,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067221659] [2022-11-22 01:43:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:16,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:16,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:16,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:43:16,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 01:43:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:17,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:43:17,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:17,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:17,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:17,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067221659] [2022-11-22 01:43:17,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067221659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:17,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:17,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:17,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640461655] [2022-11-22 01:43:17,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:17,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:17,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:17,051 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-22 01:43:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:17,151 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-22 01:43:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:43:17,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-11-22 01:43:17,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:17,154 INFO L225 Difference]: With dead ends: 35 [2022-11-22 01:43:17,154 INFO L226 Difference]: Without dead ends: 34 [2022-11-22 01:43:17,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:43:17,156 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:17,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:43:17,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-22 01:43:17,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 25. [2022-11-22 01:43:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 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) [2022-11-22 01:43:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-22 01:43:17,164 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 8 [2022-11-22 01:43:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:17,165 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-22 01:43:17,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-11-22 01:43:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-22 01:43:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:43:17,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:17,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:17,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:17,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:17,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:43:17,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash 268937620, now seen corresponding path program 1 times [2022-11-22 01:43:17,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:17,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066754515] [2022-11-22 01:43:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:17,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:17,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:17,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:43:17,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-22 01:43:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:17,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:43:17,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:17,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:17,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:17,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066754515] [2022-11-22 01:43:17,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066754515] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:17,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1979055738] [2022-11-22 01:43:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:17,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:43:17,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:43:17,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-22 01:43:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:17,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:43:17,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:17,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:18,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1979055738] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:18,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378139762] [2022-11-22 01:43:18,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:18,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:18,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:43:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:18,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:43:18,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:43:18,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:18,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378139762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:18,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-22 01:43:18,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 9 [2022-11-22 01:43:18,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756281409] [2022-11-22 01:43:18,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:18,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:18,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:18,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:18,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:18,165 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:18,234 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-22 01:43:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:43:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 01:43:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:18,236 INFO L225 Difference]: With dead ends: 34 [2022-11-22 01:43:18,236 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 01:43:18,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:43:18,238 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:18,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:43:18,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 01:43:18,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2022-11-22 01:43:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 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) [2022-11-22 01:43:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-11-22 01:43:18,245 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 15 [2022-11-22 01:43:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:18,245 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-11-22 01:43:18,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-22 01:43:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:43:18,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:18,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-22 01:43:18,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:18,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:18,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:18,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:18,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:43:18,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash 309868469, now seen corresponding path program 1 times [2022-11-22 01:43:18,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:18,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457862582] [2022-11-22 01:43:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:18,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:18,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:18,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:43:18,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-22 01:43:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:18,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:43:18,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:19,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457862582] [2022-11-22 01:43:19,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [457862582] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:19,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1910380372] [2022-11-22 01:43:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:19,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:19,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:43:19,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:43:19,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-22 01:43:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:19,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:43:19,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1910380372] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:19,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783372688] [2022-11-22 01:43:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:19,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:19,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:19,514 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:19,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:43:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:19,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:43:19,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783372688] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:19,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:43:19,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2022-11-22 01:43:19,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104091249] [2022-11-22 01:43:19,751 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:43:19,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:43:19,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:19,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:43:19,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:43:19,753 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 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) [2022-11-22 01:43:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:20,018 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2022-11-22 01:43:20,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:43:20,019 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 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 15 [2022-11-22 01:43:20,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:20,020 INFO L225 Difference]: With dead ends: 57 [2022-11-22 01:43:20,020 INFO L226 Difference]: Without dead ends: 41 [2022-11-22 01:43:20,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:43:20,022 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 49 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:20,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 82 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:43:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-22 01:43:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2022-11-22 01:43:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2022-11-22 01:43:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-11-22 01:43:20,030 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 15 [2022-11-22 01:43:20,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:20,030 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-11-22 01:43:20,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 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) [2022-11-22 01:43:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-22 01:43:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:43:20,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:20,032 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:20,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:20,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2022-11-22 01:43:20,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:20,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:20,647 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-22 01:43:20,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1582203200, now seen corresponding path program 1 times [2022-11-22 01:43:20,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:20,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200957608] [2022-11-22 01:43:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:20,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:43:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:20,658 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:43:20,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-22 01:43:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:20,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:43:20,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:43:20,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:43:21,050 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:21,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200957608] [2022-11-22 01:43:21,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200957608] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:21,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [90861596] [2022-11-22 01:43:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:21,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:43:21,056 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:43:21,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-22 01:43:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:21,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:43:21,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:43:21,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 01:43:21,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [90861596] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:21,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148763720] [2022-11-22 01:43:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:21,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:21,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:21,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:21,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 01:43:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:21,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:43:21,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:43:21,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 01:43:21,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148763720] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:21,783 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:43:21,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 5, 5] total 18 [2022-11-22 01:43:21,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791428967] [2022-11-22 01:43:21,783 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:43:21,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-22 01:43:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:21,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-22 01:43:21,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2022-11-22 01:43:21,785 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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) [2022-11-22 01:43:22,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:22,467 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2022-11-22 01:43:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 01:43:22,469 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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 27 [2022-11-22 01:43:22,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:22,469 INFO L225 Difference]: With dead ends: 82 [2022-11-22 01:43:22,469 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:43:22,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2022-11-22 01:43:22,471 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 134 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:22,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 231 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:43:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:43:22,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:43:22,472 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) [2022-11-22 01:43:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:43:22,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-22 01:43:22,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:22,473 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:43:22,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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) [2022-11-22 01:43:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:43:22,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:43:22,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-22 01:43:22,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-22 01:43:22,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-22 01:43:22,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-22 01:43:22,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2022-11-22 01:43:22,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:22,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:23,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:23,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:43:23,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-22 01:43:23,162 INFO L895 garLoopResultBuilder]: At program point L27(lines 24 28) the Hoare annotation is: (bvslt |ULTIMATE.start_main_~i~0#1| (_ bv100000 32)) [2022-11-22 01:43:23,163 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2022-11-22 01:43:23,163 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 36 43) no Hoare annotation was computed. [2022-11-22 01:43:23,163 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-22 01:43:23,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-22 01:43:23,163 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 45) no Hoare annotation was computed. [2022-11-22 01:43:23,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:43:23,164 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-22 01:43:23,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-22 01:43:23,164 INFO L899 garLoopResultBuilder]: For program point L32-4(line 32) no Hoare annotation was computed. [2022-11-22 01:43:23,164 INFO L895 garLoopResultBuilder]: At program point L32-5(lines 32 45) the Hoare annotation is: (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_main_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) [2022-11-22 01:43:23,165 INFO L899 garLoopResultBuilder]: For program point L32-6(lines 32 45) no Hoare annotation was computed. [2022-11-22 01:43:23,165 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 52) no Hoare annotation was computed. [2022-11-22 01:43:23,165 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-11-22 01:43:23,165 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-11-22 01:43:23,165 INFO L899 garLoopResultBuilder]: For program point L16-3(line 16) no Hoare annotation was computed. [2022-11-22 01:43:23,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-22 01:43:23,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:43:23,166 INFO L902 garLoopResultBuilder]: At program point L54(lines 29 55) the Hoare annotation is: true [2022-11-22 01:43:23,166 INFO L899 garLoopResultBuilder]: For program point L46-2(lines 46 53) no Hoare annotation was computed. [2022-11-22 01:43:23,166 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-22 01:43:23,166 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2022-11-22 01:43:23,167 INFO L895 garLoopResultBuilder]: At program point L46-5(lines 46 53) the Hoare annotation is: (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_main_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) [2022-11-22 01:43:23,167 INFO L899 garLoopResultBuilder]: For program point L46-6(lines 46 53) no Hoare annotation was computed. [2022-11-22 01:43:23,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-22 01:43:23,170 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-22 01:43:23,173 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:43:23,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:43:23 BoogieIcfgContainer [2022-11-22 01:43:23,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:43:23,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:43:23,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:43:23,186 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:43:23,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:16" (3/4) ... [2022-11-22 01:43:23,190 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:43:23,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-22 01:43:23,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 01:43:23,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:43:23,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:43:23,246 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:43:23,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:43:23,247 INFO L158 Benchmark]: Toolchain (without parser) took 8210.69ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 48.9MB in the beginning and 53.5MB in the end (delta: -4.6MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,247 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:43:23,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.00ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 68.1MB in the end (delta: -19.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.58ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 66.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,248 INFO L158 Benchmark]: Boogie Preprocessor took 71.06ms. Allocated memory is still 88.1MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,249 INFO L158 Benchmark]: RCFGBuilder took 522.24ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 50.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,249 INFO L158 Benchmark]: TraceAbstraction took 7022.24ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 50.2MB in the beginning and 56.6MB in the end (delta: -6.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,250 INFO L158 Benchmark]: Witness Printer took 60.49ms. Allocated memory is still 125.8MB. Free memory was 56.6MB in the beginning and 53.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:43:23,252 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 88.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.00ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 68.1MB in the end (delta: -19.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.58ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 66.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.06ms. Allocated memory is still 88.1MB. Free memory was 66.4MB in the beginning and 64.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.24ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 50.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7022.24ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 50.2MB in the beginning and 56.6MB in the end (delta: -6.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 60.49ms. Allocated memory is still 125.8MB. Free memory was 56.6MB in the beginning and 53.5MB in the end (delta: 3.1MB). 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 431 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 93 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=4, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 16 HoareAnnotationTreeSize, 4 FomulaSimplifications, 123 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 1002 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1145 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 35/119 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: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-22 01:43:23,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13de0622-e023-4b1e-a560-66e1132410b4/bin/utaipan-g80aRyZoba/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