./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/pr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 --- 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 [2022-11-21 16:08:14,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:08:14,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:08:14,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:08:14,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:08:14,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:08:14,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:08:14,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:08:14,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:08:14,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:08:14,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:08:14,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:08:14,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:08:14,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:08:14,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:08:14,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:08:14,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:08:14,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:08:14,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:08:14,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:08:14,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:08:14,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:08:14,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:08:14,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:08:14,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:08:14,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:08:14,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:08:14,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:08:14,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:08:14,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:08:14,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:08:14,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:08:14,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:08:14,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:08:14,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:08:14,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:08:14,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:08:14,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:08:14,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:08:14,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:08:14,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:08:14,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 16:08:14,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:08:14,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:08:14,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:08:14,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:08:14,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:08:14,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:08:14,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:08:14,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:08:14,361 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:08:14,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:08:14,362 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:08:14,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:08:14,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:08:14,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:08:14,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:08:14,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:08:14,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:08:14,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:08:14,364 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:08:14,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:08:14,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:08:14,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:08:14,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:08:14,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:08:14,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:08:14,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:08:14,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:08:14,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:08:14,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:08:14,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:08:14,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:08:14,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:08:14,368 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:08:14,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:08:14,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:08:14,369 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_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 [2022-11-21 16:08:14,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:08:14,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:08:14,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:08:14,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:08:14,695 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:08:14,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-tiling/pr3.c [2022-11-21 16:08:17,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:08:18,229 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:08:18,230 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/sv-benchmarks/c/array-tiling/pr3.c [2022-11-21 16:08:18,236 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/data/3a2bdad77/bb05b6f0f5d84c5aad0f4042184d9ac8/FLAG68925d553 [2022-11-21 16:08:18,251 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/data/3a2bdad77/bb05b6f0f5d84c5aad0f4042184d9ac8 [2022-11-21 16:08:18,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:08:18,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:08:18,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:08:18,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:08:18,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:08:18,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d585f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18, skipping insertion in model container [2022-11-21 16:08:18,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:08:18,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:08:18,447 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_99933ac7-a239-44f1-8271-33d8e4f7458b/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-21 16:08:18,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:08:18,476 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:08:18,489 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_99933ac7-a239-44f1-8271-33d8e4f7458b/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-21 16:08:18,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:08:18,513 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:08:18,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18 WrapperNode [2022-11-21 16:08:18,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:08:18,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:08:18,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:08:18,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:08:18,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,557 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-21 16:08:18,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:08:18,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:08:18,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:08:18,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:08:18,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:08:18,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:08:18,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:08:18,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:08:18,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (1/1) ... [2022-11-21 16:08:18,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:08:18,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:18,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:18,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:08:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:08:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:08:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:08:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:08:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:08:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:08:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:08:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:08:18,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:08:18,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:08:19,148 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:08:19,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:08:19,154 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:08:19,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:08:19 BoogieIcfgContainer [2022-11-21 16:08:19,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:08:19,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:08:19,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:08:19,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:08:19,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:08:18" (1/3) ... [2022-11-21 16:08:19,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d1dc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:08:19, skipping insertion in model container [2022-11-21 16:08:19,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:18" (2/3) ... [2022-11-21 16:08:19,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d1dc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:08:19, skipping insertion in model container [2022-11-21 16:08:19,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:08:19" (3/3) ... [2022-11-21 16:08:19,178 INFO L112 eAbstractionObserver]: Analyzing ICFG pr3.c [2022-11-21 16:08:19,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:08:19,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-21 16:08:19,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:08:19,297 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ede34f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:08:19,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-21 16:08:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 53 states have (on average 1.7924528301886793) internal successors, (95), 83 states have internal predecessors, (95), 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) [2022-11-21 16:08:19,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 16:08:19,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:19,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:19,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:19,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:19,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2022-11-21 16:08:19,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:19,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153177910] [2022-11-21 16:08:19,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:19,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:19,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:19,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153177910] [2022-11-21 16:08:19,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153177910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:19,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:19,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:08:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546115463] [2022-11-21 16:08:19,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:19,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:08:19,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:19,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:08:19,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:08:19,530 INFO L87 Difference]: Start difference. First operand has 84 states, 53 states have (on average 1.7924528301886793) internal successors, (95), 83 states have internal predecessors, (95), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2022-11-21 16:08:19,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:19,565 INFO L93 Difference]: Finished difference Result 163 states and 182 transitions. [2022-11-21 16:08:19,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:08:19,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2022-11-21 16:08:19,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:19,574 INFO L225 Difference]: With dead ends: 163 [2022-11-21 16:08:19,574 INFO L226 Difference]: Without dead ends: 78 [2022-11-21 16:08:19,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:08:19,581 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:19,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:08:19,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-21 16:08:19,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-21 16:08:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 77 states have internal predecessors, (83), 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) [2022-11-21 16:08:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2022-11-21 16:08:19,620 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 7 [2022-11-21 16:08:19,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:19,620 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2022-11-21 16:08:19,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2022-11-21 16:08:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2022-11-21 16:08:19,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 16:08:19,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:19,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:19,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:08:19,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:19,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2022-11-21 16:08:19,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:19,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135970764] [2022-11-21 16:08:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:20,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:20,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135970764] [2022-11-21 16:08:20,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135970764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:20,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:20,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:08:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796479156] [2022-11-21 16:08:20,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:20,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:08:20,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:20,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:08:20,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:20,024 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand has 5 states, 4 states have (on average 1.75) 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) [2022-11-21 16:08:20,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:20,064 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2022-11-21 16:08:20,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:08:20,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) 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 [2022-11-21 16:08:20,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:20,066 INFO L225 Difference]: With dead ends: 78 [2022-11-21 16:08:20,067 INFO L226 Difference]: Without dead ends: 76 [2022-11-21 16:08:20,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:20,069 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 232 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:20,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 74 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:08:20,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-21 16:08:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-21 16:08:20,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.6875) internal successors, (81), 75 states have internal predecessors, (81), 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) [2022-11-21 16:08:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2022-11-21 16:08:20,078 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 7 [2022-11-21 16:08:20,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:20,078 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2022-11-21 16:08:20,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) 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) [2022-11-21 16:08:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-11-21 16:08:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:08:20,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:20,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:20,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:08:20,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash 472362386, now seen corresponding path program 1 times [2022-11-21 16:08:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:20,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73081377] [2022-11-21 16:08:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:20,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:20,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:20,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73081377] [2022-11-21 16:08:20,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73081377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:20,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:20,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:08:20,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248843832] [2022-11-21 16:08:20,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:20,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:08:20,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:20,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:20,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:20,145 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-21 16:08:20,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:20,357 INFO L93 Difference]: Finished difference Result 136 states and 145 transitions. [2022-11-21 16:08:20,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:20,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) Word has length 11 [2022-11-21 16:08:20,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:20,363 INFO L225 Difference]: With dead ends: 136 [2022-11-21 16:08:20,363 INFO L226 Difference]: Without dead ends: 112 [2022-11-21 16:08:20,367 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 [2022-11-21 16:08:20,370 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 34 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:20,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 75 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:08:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-21 16:08:20,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2022-11-21 16:08:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 105 states have internal predecessors, (115), 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) [2022-11-21 16:08:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2022-11-21 16:08:20,388 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 11 [2022-11-21 16:08:20,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:20,388 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2022-11-21 16:08:20,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-21 16:08:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2022-11-21 16:08:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 16:08:20,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:20,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:20,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:08:20,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:20,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:20,390 INFO L85 PathProgramCache]: Analyzing trace with hash 287126974, now seen corresponding path program 1 times [2022-11-21 16:08:20,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:20,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603961320] [2022-11-21 16:08:20,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:20,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:20,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:20,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603961320] [2022-11-21 16:08:20,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603961320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:20,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:20,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:20,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413364877] [2022-11-21 16:08:20,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:20,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:08:20,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:20,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:20,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:20,477 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-21 16:08:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:20,586 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2022-11-21 16:08:20,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:08:20,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-21 16:08:20,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:20,590 INFO L225 Difference]: With dead ends: 116 [2022-11-21 16:08:20,590 INFO L226 Difference]: Without dead ends: 114 [2022-11-21 16:08:20,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:20,601 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 4 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:20,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 170 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:08:20,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-21 16:08:20,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-11-21 16:08:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 86 states have (on average 1.441860465116279) internal successors, (124), 113 states have internal predecessors, (124), 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) [2022-11-21 16:08:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2022-11-21 16:08:20,624 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 17 [2022-11-21 16:08:20,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:20,625 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2022-11-21 16:08:20,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-21 16:08:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2022-11-21 16:08:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 16:08:20,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:20,627 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:20,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:08:20,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1111235632, now seen corresponding path program 1 times [2022-11-21 16:08:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:20,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905572965] [2022-11-21 16:08:20,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:20,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:20,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905572965] [2022-11-21 16:08:20,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905572965] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:20,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448311635] [2022-11-21 16:08:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:20,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:20,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:20,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:20,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:08:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:08:20,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:21,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:08:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:21,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448311635] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:08:21,107 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:08:21,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-21 16:08:21,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905470962] [2022-11-21 16:08:21,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:08:21,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:08:21,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:21,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:08:21,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:08:21,110 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-11-21 16:08:21,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:21,498 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2022-11-21 16:08:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:08:21,499 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 25 [2022-11-21 16:08:21,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:21,500 INFO L225 Difference]: With dead ends: 148 [2022-11-21 16:08:21,500 INFO L226 Difference]: Without dead ends: 147 [2022-11-21 16:08:21,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:08:21,501 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 156 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:21,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 140 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:08:21,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-21 16:08:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-11-21 16:08:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 136 states have internal predecessors, (152), 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) [2022-11-21 16:08:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 152 transitions. [2022-11-21 16:08:21,511 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 152 transitions. Word has length 25 [2022-11-21 16:08:21,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:21,511 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 152 transitions. [2022-11-21 16:08:21,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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) [2022-11-21 16:08:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 152 transitions. [2022-11-21 16:08:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:08:21,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:21,513 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:21,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:21,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:21,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash -88566060, now seen corresponding path program 1 times [2022-11-21 16:08:21,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:21,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594777229] [2022-11-21 16:08:21,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 16:08:21,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:21,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594777229] [2022-11-21 16:08:21,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594777229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:21,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:21,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:08:21,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18673335] [2022-11-21 16:08:21,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:21,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:08:21,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:21,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:08:21,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:21,980 INFO L87 Difference]: Start difference. First operand 137 states and 152 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:08:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:22,149 INFO L93 Difference]: Finished difference Result 184 states and 206 transitions. [2022-11-21 16:08:22,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:08:22,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-21 16:08:22,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:22,151 INFO L225 Difference]: With dead ends: 184 [2022-11-21 16:08:22,151 INFO L226 Difference]: Without dead ends: 142 [2022-11-21 16:08:22,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:22,152 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 151 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:22,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 67 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:08:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-21 16:08:22,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 137. [2022-11-21 16:08:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 109 states have (on average 1.385321100917431) internal successors, (151), 136 states have internal predecessors, (151), 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) [2022-11-21 16:08:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2022-11-21 16:08:22,161 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 26 [2022-11-21 16:08:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:22,161 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2022-11-21 16:08:22,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:08:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2022-11-21 16:08:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:08:22,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:22,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:22,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:08:22,163 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:22,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:22,163 INFO L85 PathProgramCache]: Analyzing trace with hash 242831498, now seen corresponding path program 1 times [2022-11-21 16:08:22,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:22,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325611360] [2022-11-21 16:08:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:22,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:22,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:22,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325611360] [2022-11-21 16:08:22,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325611360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:22,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:22,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:22,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491980633] [2022-11-21 16:08:22,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:22,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:08:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:22,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:22,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:22,226 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:08:22,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:22,363 INFO L93 Difference]: Finished difference Result 142 states and 156 transitions. [2022-11-21 16:08:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:08:22,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-21 16:08:22,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:22,364 INFO L225 Difference]: With dead ends: 142 [2022-11-21 16:08:22,364 INFO L226 Difference]: Without dead ends: 140 [2022-11-21 16:08:22,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:22,366 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:22,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 124 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:08:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-21 16:08:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2022-11-21 16:08:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 112 states have (on average 1.375) internal successors, (154), 139 states have internal predecessors, (154), 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) [2022-11-21 16:08:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions. [2022-11-21 16:08:22,375 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 26 [2022-11-21 16:08:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:22,375 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions. [2022-11-21 16:08:22,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:08:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2022-11-21 16:08:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 16:08:22,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:22,377 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:22,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:08:22,377 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:22,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash -416974525, now seen corresponding path program 1 times [2022-11-21 16:08:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:22,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048926888] [2022-11-21 16:08:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:22,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:22,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048926888] [2022-11-21 16:08:22,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048926888] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:22,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388351469] [2022-11-21 16:08:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:22,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:08:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:22,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:22,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:22,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:08:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:22,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388351469] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:08:22,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:08:22,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-21 16:08:22,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420096441] [2022-11-21 16:08:22,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:08:22,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:08:22,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:08:22,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:08:22,745 INFO L87 Difference]: Start difference. First operand 140 states and 154 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 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) [2022-11-21 16:08:23,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:23,030 INFO L93 Difference]: Finished difference Result 185 states and 229 transitions. [2022-11-21 16:08:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:08:23,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 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 32 [2022-11-21 16:08:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:23,032 INFO L225 Difference]: With dead ends: 185 [2022-11-21 16:08:23,032 INFO L226 Difference]: Without dead ends: 172 [2022-11-21 16:08:23,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:08:23,034 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 144 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:23,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 117 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:08:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-21 16:08:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2022-11-21 16:08:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 151 states have (on average 1.3377483443708609) internal successors, (202), 168 states have internal predecessors, (202), 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) [2022-11-21 16:08:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2022-11-21 16:08:23,045 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 32 [2022-11-21 16:08:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:23,047 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2022-11-21 16:08:23,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 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) [2022-11-21 16:08:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2022-11-21 16:08:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 16:08:23,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:23,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:23,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:23,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:23,264 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:23,265 INFO L85 PathProgramCache]: Analyzing trace with hash -41308321, now seen corresponding path program 1 times [2022-11-21 16:08:23,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:23,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113704843] [2022-11-21 16:08:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:23,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:23,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113704843] [2022-11-21 16:08:23,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113704843] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:23,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936088055] [2022-11-21 16:08:23,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:23,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:23,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:23,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:23,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:08:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:23,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:23,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:23,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:08:23,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936088055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:23,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:08:23,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-21 16:08:23,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517639424] [2022-11-21 16:08:23,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:23,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:08:23,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:23,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:08:23,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:08:23,527 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-11-21 16:08:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:23,678 INFO L93 Difference]: Finished difference Result 169 states and 202 transitions. [2022-11-21 16:08:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:08:23,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2022-11-21 16:08:23,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:23,681 INFO L225 Difference]: With dead ends: 169 [2022-11-21 16:08:23,681 INFO L226 Difference]: Without dead ends: 156 [2022-11-21 16:08:23,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:08:23,682 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 52 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:23,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 95 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:08:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-21 16:08:23,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-21 16:08:23,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 151 states have (on average 1.1655629139072847) internal successors, (176), 155 states have internal predecessors, (176), 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) [2022-11-21 16:08:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 176 transitions. [2022-11-21 16:08:23,689 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 176 transitions. Word has length 33 [2022-11-21 16:08:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:23,690 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 176 transitions. [2022-11-21 16:08:23,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-11-21 16:08:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 176 transitions. [2022-11-21 16:08:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 16:08:23,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:23,691 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:23,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:23,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-21 16:08:23,897 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash -689581309, now seen corresponding path program 1 times [2022-11-21 16:08:23,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:23,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275594068] [2022-11-21 16:08:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:08:24,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:24,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275594068] [2022-11-21 16:08:24,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275594068] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:24,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490895921] [2022-11-21 16:08:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:24,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:24,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:08:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:24,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:08:24,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:08:24,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:08:24,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490895921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:24,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:08:24,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-21 16:08:24,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733890711] [2022-11-21 16:08:24,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:24,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:08:24,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:24,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:08:24,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:08:24,184 INFO L87 Difference]: Start difference. First operand 156 states and 176 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2022-11-21 16:08:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:24,308 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2022-11-21 16:08:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:08:24,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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 47 [2022-11-21 16:08:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:24,311 INFO L225 Difference]: With dead ends: 156 [2022-11-21 16:08:24,312 INFO L226 Difference]: Without dead ends: 155 [2022-11-21 16:08:24,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:08:24,313 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 79 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:24,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 102 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:08:24,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-21 16:08:24,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-11-21 16:08:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 151 states have (on average 1.1456953642384107) internal successors, (173), 154 states have internal predecessors, (173), 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) [2022-11-21 16:08:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 173 transitions. [2022-11-21 16:08:24,319 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 173 transitions. Word has length 47 [2022-11-21 16:08:24,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:24,319 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 173 transitions. [2022-11-21 16:08:24,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2022-11-21 16:08:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 173 transitions. [2022-11-21 16:08:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 16:08:24,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:24,325 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:24,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-21 16:08:24,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 16:08:24,531 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:24,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:24,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1726223338, now seen corresponding path program 1 times [2022-11-21 16:08:24,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:24,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997360391] [2022-11-21 16:08:24,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:24,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-21 16:08:24,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:24,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997360391] [2022-11-21 16:08:24,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997360391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:24,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:24,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:24,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790986329] [2022-11-21 16:08:24,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:24,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:08:24,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:24,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:24,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:24,611 INFO L87 Difference]: Start difference. First operand 155 states and 173 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-21 16:08:24,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:24,674 INFO L93 Difference]: Finished difference Result 155 states and 173 transitions. [2022-11-21 16:08:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:08:24,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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 68 [2022-11-21 16:08:24,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:24,675 INFO L225 Difference]: With dead ends: 155 [2022-11-21 16:08:24,675 INFO L226 Difference]: Without dead ends: 154 [2022-11-21 16:08:24,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:08:24,676 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 30 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:24,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 62 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:08:24,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-21 16:08:24,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-11-21 16:08:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 151 states have (on average 1.1390728476821192) internal successors, (172), 153 states have internal predecessors, (172), 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) [2022-11-21 16:08:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 172 transitions. [2022-11-21 16:08:24,683 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 172 transitions. Word has length 68 [2022-11-21 16:08:24,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:24,683 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 172 transitions. [2022-11-21 16:08:24,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-21 16:08:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2022-11-21 16:08:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 16:08:24,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:24,684 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:24,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:08:24,685 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:24,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:24,685 INFO L85 PathProgramCache]: Analyzing trace with hash 864239863, now seen corresponding path program 1 times [2022-11-21 16:08:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:24,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602945357] [2022-11-21 16:08:24,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:24,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 51 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:25,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:25,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602945357] [2022-11-21 16:08:25,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602945357] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:25,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360595119] [2022-11-21 16:08:25,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:25,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:25,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 16:08:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:25,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 16:08:25,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:08:25,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:08:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:08:26,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360595119] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:08:26,060 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:08:26,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 37 [2022-11-21 16:08:26,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933006231] [2022-11-21 16:08:26,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:08:26,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-21 16:08:26,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:26,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-21 16:08:26,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1108, Unknown=0, NotChecked=0, Total=1332 [2022-11-21 16:08:26,062 INFO L87 Difference]: Start difference. First operand 154 states and 172 transitions. Second operand has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 states have internal predecessors, (176), 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) [2022-11-21 16:08:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:27,424 INFO L93 Difference]: Finished difference Result 244 states and 279 transitions. [2022-11-21 16:08:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-21 16:08:27,425 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 states have internal predecessors, (176), 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 70 [2022-11-21 16:08:27,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:27,426 INFO L225 Difference]: With dead ends: 244 [2022-11-21 16:08:27,426 INFO L226 Difference]: Without dead ends: 203 [2022-11-21 16:08:27,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=961, Invalid=3595, Unknown=0, NotChecked=0, Total=4556 [2022-11-21 16:08:27,428 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 748 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:27,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 322 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:08:27,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-11-21 16:08:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 202. [2022-11-21 16:08:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 199 states have (on average 1.1306532663316582) internal successors, (225), 201 states have internal predecessors, (225), 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) [2022-11-21 16:08:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2022-11-21 16:08:27,437 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 70 [2022-11-21 16:08:27,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:27,438 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2022-11-21 16:08:27,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 states have internal predecessors, (176), 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) [2022-11-21 16:08:27,438 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2022-11-21 16:08:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-21 16:08:27,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:27,439 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:27,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:27,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:27,645 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:27,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:27,645 INFO L85 PathProgramCache]: Analyzing trace with hash -41405277, now seen corresponding path program 2 times [2022-11-21 16:08:27,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:27,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83137114] [2022-11-21 16:08:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:27,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-21 16:08:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:28,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83137114] [2022-11-21 16:08:28,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83137114] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:28,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847124847] [2022-11-21 16:08:28,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:08:28,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:28,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:28,030 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:28,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 16:08:28,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 16:08:28,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:08:28,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:28,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 16:08:28,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:08:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-21 16:08:28,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847124847] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:08:28,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:08:28,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 9 [2022-11-21 16:08:28,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012226308] [2022-11-21 16:08:28,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:08:28,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:08:28,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:28,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:08:28,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:08:28,620 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2022-11-21 16:08:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:28,705 INFO L93 Difference]: Finished difference Result 202 states and 225 transitions. [2022-11-21 16:08:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:08:28,706 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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 74 [2022-11-21 16:08:28,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:28,707 INFO L225 Difference]: With dead ends: 202 [2022-11-21 16:08:28,708 INFO L226 Difference]: Without dead ends: 200 [2022-11-21 16:08:28,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:08:28,709 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 364 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:28,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 28 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:08:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-11-21 16:08:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2022-11-21 16:08:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.116564417177914) internal successors, (182), 163 states have internal predecessors, (182), 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) [2022-11-21 16:08:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2022-11-21 16:08:28,718 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 74 [2022-11-21 16:08:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:28,718 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2022-11-21 16:08:28,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2022-11-21 16:08:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2022-11-21 16:08:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-21 16:08:28,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:08:28,726 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:28,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:28,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-21 16:08:28,940 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-21 16:08:28,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:28,941 INFO L85 PathProgramCache]: Analyzing trace with hash -272570094, now seen corresponding path program 2 times [2022-11-21 16:08:28,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:28,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413364357] [2022-11-21 16:08:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:28,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-21 16:08:29,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:29,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413364357] [2022-11-21 16:08:29,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413364357] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:08:29,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661228543] [2022-11-21 16:08:29,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:08:29,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:29,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:29,830 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:08:29,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 16:08:29,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 16:08:29,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:08:29,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:29,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-21 16:08:30,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:08:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-21 16:08:30,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661228543] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:08:30,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:08:30,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2022-11-21 16:08:30,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616749228] [2022-11-21 16:08:30,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:08:30,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-21 16:08:30,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-21 16:08:30,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-21 16:08:30,408 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 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) [2022-11-21 16:08:31,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:31,146 INFO L93 Difference]: Finished difference Result 315 states and 352 transitions. [2022-11-21 16:08:31,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-21 16:08:31,147 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 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 139 [2022-11-21 16:08:31,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:08:31,148 INFO L225 Difference]: With dead ends: 315 [2022-11-21 16:08:31,148 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:08:31,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 273 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=911, Unknown=0, NotChecked=0, Total=1260 [2022-11-21 16:08:31,150 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 572 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:08:31,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 139 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 16:08:31,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:08:31,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:08:31,151 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) [2022-11-21 16:08:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:08:31,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-11-21 16:08:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:08:31,152 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:08:31,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 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) [2022-11-21 16:08:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:08:31,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:08:31,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-21 16:08:31,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-21 16:08:31,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-21 16:08:31,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-21 16:08:31,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-21 16:08:31,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-21 16:08:31,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-21 16:08:31,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-21 16:08:31,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-21 16:08:31,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-21 16:08:31,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-21 16:08:31,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-21 16:08:31,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-21 16:08:31,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-21 16:08:31,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-21 16:08:31,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-21 16:08:31,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-21 16:08:31,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-21 16:08:31,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-21 16:08:31,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-21 16:08:31,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-21 16:08:31,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-21 16:08:31,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-21 16:08:31,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-21 16:08:31,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-21 16:08:31,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-21 16:08:31,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-21 16:08:31,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-21 16:08:31,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-21 16:08:31,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-21 16:08:31,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:31,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:08:31,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:08:31,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,612 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-11-21 16:08:31,612 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 56) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 56) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,614 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,615 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 56) the Hoare annotation is: (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (<= ~CELLCOUNT~0 2147483647))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|)))) [2022-11-21 16:08:31,615 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 56) no Hoare annotation was computed. [2022-11-21 16:08:31,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,615 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,615 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,615 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L902 garLoopResultBuilder]: At program point L63(lines 13 64) the Hoare annotation is: true [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 56) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,617 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 29 56) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 62) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 62) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,619 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2022-11-21 16:08:31,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point L58-4(line 58) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L895 garLoopResultBuilder]: At program point L58-5(lines 58 61) the Hoare annotation is: (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (<= ~CELLCOUNT~0 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2))) [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point L58-6(lines 58 61) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-21 16:08:31,621 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,622 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,622 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-21 16:08:31,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-21 16:08:31,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-21 16:08:31,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-21 16:08:31,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-21 16:08:31,627 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:31,630 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:08:31,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:08:31 BoogieIcfgContainer [2022-11-21 16:08:31,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:08:31,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:08:31,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:08:31,653 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:08:31,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:08:19" (3/4) ... [2022-11-21 16:08:31,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:08:31,671 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-21 16:08:31,671 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:08:31,672 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 16:08:31,672 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:08:31,672 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:08:31,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:08:31,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:08:31,725 INFO L158 Benchmark]: Toolchain (without parser) took 13470.01ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 119.2MB in the beginning and 102.8MB in the end (delta: 16.4MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2022-11-21 16:08:31,725 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:08:31,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.15ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 108.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:08:31,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.72ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 106.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:08:31,727 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 104.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:08:31,727 INFO L158 Benchmark]: RCFGBuilder took 566.99ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 89.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:08:31,728 INFO L158 Benchmark]: TraceAbstraction took 12493.98ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 88.2MB in the beginning and 105.9MB in the end (delta: -17.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-21 16:08:31,729 INFO L158 Benchmark]: Witness Printer took 71.56ms. Allocated memory is still 218.1MB. Free memory was 105.9MB in the beginning and 102.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:08:31,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.15ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 108.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.72ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 106.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 104.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.99ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 89.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12493.98ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 88.2MB in the beginning and 105.9MB in the end (delta: -17.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Witness Printer took 71.56ms. Allocated memory is still 218.1MB. Free memory was 105.9MB in the beginning and 102.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: 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, 84 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 14, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2584 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2584 mSDsluCounter, 1606 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1006 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2516 IncrementalHoareTripleChecker+Invalid, 2723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 600 mSDtfsCounter, 2516 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 730 SyntacticMatches, 3 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1583 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=12, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 61 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 71 HoareAnnotationTreeSize, 3 FomulaSimplifications, 60 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 844 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1002 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1316 ConstructedInterpolants, 0 QuantifiedInterpolants, 6592 SizeOfPredicates, 16 NumberOfNonLiveVariables, 822 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 26 InterpolantComputations, 9 PerfectInterpolantSequences, 1447/1981 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 30 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((CELLCOUNT == CELLCOUNT / 3 * 3 && i == 0) && 2 <= CELLCOUNT) && CELLCOUNT <= 2147483647) || (((CELLCOUNT == CELLCOUNT / 3 * 3 && 1 <= i) && 2 <= CELLCOUNT) && CELLCOUNT <= 2147483647) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && i == 1) && CELLCOUNT <= 2147483647) || (((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && CELLCOUNT <= 2147483647) && 2 <= i) RESULT: Ultimate proved your program to be correct! [2022-11-21 16:08:31,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99933ac7-a239-44f1-8271-33d8e4f7458b/bin/uautomizer-vX5HgA9Q3a/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